Não informado. (2009). Physical Education Matters. The Association for Physical Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Physical Education Matters. Reading, Inglaterra: The Association for Physical Education, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Physical Education Matters. The Association for Physical Education, 2009.
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