Não informado. (1928). American school and university. Educational Division of North American.
Citação do estilo Chicago (17ª ed.)Não informado. American School and University. Philadelphia, Pa: Educational Division of North American, 1928.
Citação MLA (8ª ed.)Não informado. American School and University. Educational Division of North American, 1928.
警告：這些引文格式不一定是100％准確.