Editing World Paintball Federation (section)

== References ==

# [https://www.warpig.com/paintball/articles/pressreleases/wpf.shtml WARPIG, "World Paintball Federation Introduces Membership Program", 21 January 2000. Contemporary WPF announcement covering membership, objectives, rankings and the World Ace championship.]
# [https://www.warpig.com/paintball/articles/pressreleases/wpfspring.shtml WARPIG, "World Paintball Federation Spring 2000 Results", May 2000. Contemporary report on the Southern California Super Challenge, WPF officials and tournament circuit.]
# [https://www.warpig.com/paintball/articles/pressreleases/skyball01.shtml WARPIG, "WPF Announces Skyball 2001 Format". Official announcement of the tournament's format, refereeing structure and WPF/ZAP Tour.]
# [https://www.warpig.com/paintball/articles/pressreleases/wolfhillwpf.shtml WARPIG, "WPF Saved by Wolf Hill Paintball", 7 February 2002. Announcement documenting the acquisition, new owners and proposed tournament programme.]
# [https://paintballhistory.com/1991-paintball-stats/ Paintball History, "Paintball Stats: World Paintball Federation Quarterly Report 1991", 17 April 2014. Historical examination of Steve Davidson's WPF statistics project and surviving records.]
# [https://www.automags.org/forums/forum/automag-owners-forums/paintball-talk/122630-history-of-paintball Paintball 2Xtremes, "81 Moments That Shaped Paintball", June 2005, reproduced on Automags.org. Historical account of Steve Davidson's role in the formation of the NPPL.]
# [https://www.warpig.com/paintball/articles/pressreleases/wpfnj.shtml WARPIG, "Gridlock & Next Level Win the National Paintball Supply 10th Anniversary Five Man", 14 June 2000.]
# [https://www.warpig.com/paintball/articles/pressreleases/sky01.shtml WARPIG, "ZAP Skyball 2001 Success", 15 March 2001. Organiser report identifying the division winners, attendance, prize packages and WPF officials.]
# [https://www.warpig.com/paintball/articles/pressreleases/indoor01.shtml WARPIG, "Thunder Struck Takes 1st Place at the ZAP National Indoor Paintball Championships", 22 February 2001.]
# [https://www.warpig.com/paintball/articles/pressreleases/wpfgreat.shtml WARPIG, "Farside Win Amateur at WPF Great Lakes 5 Man", September 2001. Tournament report documenting results and the WPF Referee Corps.]
# [https://www.warpig.com/paintball/articles/pressreleases/wpfrefcorps.shtml WARPIG, "WPF & Raven Produce the WPF Referee Corps", 14 May 2001.]
# [https://www.warpig.com/paintball/articles/pressreleases/wpfcanceled.shtml WARPIG, "WPF Cancels ACE Tournament Circuit for 2002". Official announcement signed by Sam Caldwell.]
# [https://www.warpig.com/paintball/articles/pressreleases/automated/050703wpf.shtml WARPIG, "WPF Music City Open", 7 May 2003. Contemporary report documenting tournament results and Wolf Hill Paintball ownership.]