Não informado. (1980). Research Quarterly for Exercise and Sport. American Alliance for Health, Physical Education, Recreation and Dance.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Research Quarterly for Exercise and Sport. Washington: American Alliance for Health, Physical Education, Recreation and Dance, 1980.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Research Quarterly for Exercise and Sport. American Alliance for Health, Physical Education, Recreation and Dance, 1980.
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