Não informado. (1930). Journal of School Health. American School Health Association.
Cita Chicago Style (17a ed.)Não informado. Journal of School Health. Kent, Ohio: American School Health Association, 1930.
Cita MLA (8a ed.)Não informado. Journal of School Health. American School Health Association, 1930.
Precaución: Estas citas no son 100% exactas.