Não informado. (1949). Journal of the American Association for Health, Physical Education and Recreation. American Association for Health, Physical Education and Recreation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the American Association for Health, Physical Education and Recreation. Washington: American Association for Health, Physical Education and Recreation, 1949.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the American Association for Health, Physical Education and Recreation. American Association for Health, Physical Education and Recreation, 1949.
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