Não informado. (1967). Perspectives on Education. Columbia University, Teachers College.
Style de citation Chicago (17e éd.)Não informado. Perspectives on Education. New York: Columbia University, Teachers College, 1967.
Style de citation MLA (8e éd.)Não informado. Perspectives on Education. Columbia University, Teachers College, 1967.
Attention : ces citations peuvent ne pas être correctes à 100%.