Rietjens, G. J., Keizer, H & Kuipers, H. (2001, 12. February). Changes in hormonal levels during the season in elite female triathletes. Zugriff unter http://www.ausport.gov.au/fulltext/1999/iocwc/abs111a.htm
APA (7th ed.) CitationRietjens, G. J., Keizer, H., & Kuipers, H. (1999). Changes in hormonal levels during the season in elite female triathletes. 5th IOC World Congress on Sport Sciences with the Annual Conference of Science and Medicine in Sport 1999.
Chicago Style (17th ed.) CitationRietjens, G. J., H. Keizer, and H. Kuipers. "Changes in Hormonal Levels During the Season in Elite Female Triathletes." 5th IOC World Congress on Sport Sciences with the Annual Conference of Science and Medicine in Sport 1999 1999.
MLA (9th ed.) CitationRietjens, G. J., et al. "Changes in Hormonal Levels During the Season in Elite Female Triathletes." 5th IOC World Congress on Sport Sciences with the Annual Conference of Science and Medicine in Sport 1999, 1999.