Persyn, U, Colman, V & Ungerechts, B. (2000, 09. May). Diagnosis & advice in the undulating strokes. Zugriff unter http://www.coachesinfo.com/index.php?option=com_content&view=article&id=143:swimming-diagnosis&catid=74:articlesoncoachesinfoservice&Itemid=136
APA (7th ed.) CitationPersyn, U., Colman, V., & Ungerechts, B. (2000). Diagnosis & advice in the undulating strokes. coachesinfo.com.
Chicago Style (17th ed.) CitationPersyn, U., V. Colman, and B. Ungerechts. "Diagnosis & Advice in the Undulating Strokes." Coachesinfo.com 2000.
MLA (9th ed.) CitationPersyn, U., et al. "Diagnosis & Advice in the Undulating Strokes." Coachesinfo.com, 2000.
Warning: These citations may not always be 100% accurate.