Não informado. (1991). Journal of Health Education. American Alliance for Health, Physical Education, Recreation and Dance.
Chicago-referens (17:e uppl.)Não informado. Journal of Health Education. Reston, Va: American Alliance for Health, Physical Education, Recreation and Dance, 1991.
MLA-referens (8:e uppl.)Não informado. Journal of Health Education. American Alliance for Health, Physical Education, Recreation and Dance, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.