Não informado. (1950). Prevention: A magazine devoted to the conservation of human health. Rodale Press.
Chicago-referens (17:e uppl.)Não informado. Prevention: A Magazine Devoted to the Conservation of Human Health. Emmaus, Pa: Rodale Press, 1950.
MLA-referens (8:e uppl.)Não informado. Prevention: A Magazine Devoted to the Conservation of Human Health. Rodale Press, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.