Não informado. (2009). Physical Education Matters. The Association for Physical Education.
Chicago-referens (17:e uppl.)Não informado. Physical Education Matters. Reading, Inglaterra: The Association for Physical Education, 2009.
MLA-referens (8:e uppl.)Não informado. Physical Education Matters. The Association for Physical Education, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.