Não informado. (1949). Journal of the American Association for Health, Physical Education and Recreation. American Association for Health, Physical Education and Recreation.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Journal of the American Association for Health, Physical Education and Recreation. Washington: American Association for Health, Physical Education and Recreation, 1949.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Journal of the American Association for Health, Physical Education and Recreation. American Association for Health, Physical Education and Recreation, 1949.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.