Não informado. (1980). Research Quarterly for Exercise and Sport. American Alliance for Health, Physical Education, Recreation and Dance.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Research Quarterly for Exercise and Sport. Washington: American Alliance for Health, Physical Education, Recreation and Dance, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Research Quarterly for Exercise and Sport. American Alliance for Health, Physical Education, Recreation and Dance, 1980.
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