Budgett, R. (2009, 12. March). The unexplained underperformance syndrome (overtraining syndrome). Zugriff unter http://www.coachesinfo.com/index.php?option=com_content&view=category&layout=blog&id=121&Itemid=230
APA (7th ed.) CitationBudgett, R. (2008). The unexplained underperformance syndrome (overtraining syndrome). coachesinfo.com.
Chicago Style (17th ed.) CitationBudgett, R. "The Unexplained Underperformance Syndrome (overtraining Syndrome)." Coachesinfo.com 2008.
MLA (9th ed.) CitationBudgett, R. "The Unexplained Underperformance Syndrome (overtraining Syndrome)." Coachesinfo.com, 2008.
Warning: These citations may not always be 100% accurate.