Não informado. (1975). Health Education. American Alliance for Health, Physical Education, Recreation and Dance.
Lua i Stíl Chicago (17ú heag.)Não informado. Health Education. Reston, Va: American Alliance for Health, Physical Education, Recreation and Dance, 1975.
Lua MLA (8ú heag.)Não informado. Health Education. American Alliance for Health, Physical Education, Recreation and Dance, 1975.
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