Não informado. (1959). Current literature. National Foundation, Department of Professional Education.
Citação do estilo Chicago (17ª ed.)Não informado. Current Literature. New York: National Foundation, Department of Professional Education, 1959.
Citação MLA (8ª ed.)Não informado. Current Literature. National Foundation, Department of Professional Education, 1959.
警告:这些引文格式不一定是100%准确.