(2000, 07. June). Physics in Gymnastics: Is the Perfect Iron Cross Physically Attainable? Zugriff unter http://www.geocities.com/CapeCanaveral/Lab/8537/
APA (7th ed.) CitationPhysics in Gymnastics: Is the Perfect Iron Cross Physically Attainable?
Chicago Style (17th ed.) CitationPhysics in Gymnastics: Is the Perfect Iron Cross Physically Attainable?
MLA (9th ed.) CitationPhysics in Gymnastics: Is the Perfect Iron Cross Physically Attainable?
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