Check, P. (1999). The inner unit: A new frontier in abdominal training. New Studies in Athletics, Monaco 14(1999)4, S. 27 - 349 Abb., 5 Lit..
APA (7th ed.) CitationCheck, P. (1999). The inner unit: A new frontier in abdominal training New Studies in Athletics.
Chicago Style (17th ed.) CitationCheck, P. "The Inner Unit: A New Frontier in Abdominal Training." New Studies in Athletics 1999.
MLA (9th ed.) CitationCheck, P. "The Inner Unit: A New Frontier in Abdominal Training." New Studies in Athletics, 1999.
Warning: These citations may not always be 100% accurate.