Harris, L. (2002, 28. May). Caffeine: Potential risks to health and positive drug testing. Zugriff unter http://www.wa.swimming.org.au/articles/article.asp?GroupID=6&ArticleID=653
APA (7th ed.) CitationHarris, L. (2001). Caffeine: Potential risks to health and positive drug testing.
Chicago Style (17th ed.) CitationHarris, L. Caffeine: Potential Risks to Health and Positive Drug Testing. 2001.
MLA (9th ed.) CitationHarris, L. Caffeine: Potential Risks to Health and Positive Drug Testing. 2001.
Warning: These citations may not always be 100% accurate.