Não informado. (1930). Journal of School Health. American School Health Association.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of School Health. Kent, Ohio: American School Health Association, 1930.
Citação MLA (8ª ed.)Não informado. Journal of School Health. American School Health Association, 1930.
警告：這些引文格式不一定是100％准確.