Não informado. School Health Review. American Association for Health, Physical Education and Recreation.
Chicago-Zitierstil (17. Ausg.)Não informado. School Health Review. Washington: American Association for Health, Physical Education and Recreation.
MLA-Zitierstil (8. Ausg.)Não informado. School Health Review. American Association for Health, Physical Education and Recreation.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.