Heckmann, P. (2013). Adaption and validation of the German version of the basic psychological needs in physical education scale.
Chicago Style (17th ed.) CitationHeckmann, Philip. Adaption and Validation of the German Version of the Basic Psychological Needs in Physical Education Scale. Jyväskylä, 2013.
MLA (9th ed.) CitationHeckmann, Philip. Adaption and Validation of the German Version of the Basic Psychological Needs in Physical Education Scale. 2013.
Warning: These citations may not always be 100% accurate.