(2001, 28. March). Hurdle - USA. Zugriff unter http://www.hpera.eku.edu/ath/iteams/wtrack/hurdle.htm
APA (7th ed.) CitationHurdle - USA.
Chicago Style (17th ed.) CitationHurdle - USA.
MLA (9th ed.) CitationHurdle - USA.
Warning: These citations may not always be 100% accurate.