Não informado. (1968). Contemporary education. Indiana University, School of Education.
Citação do estilo Chicago (17ª ed.)Não informado. Contemporary Education. Terre Haute, Ind: Indiana University, School of Education, 1968.
Citação MLA (8ª ed.)Não informado. Contemporary Education. Indiana University, School of Education, 1968.
警告:这些引文格式不一定是100%准确.