Não informado. (1967). Perspectives on Education. Columbia University, Teachers College.
Chicago (17e ed.) BronvermeldingNão informado. Perspectives on Education. New York: Columbia University, Teachers College, 1967.
MLA (8e ed.) BronvermeldingNão informado. Perspectives on Education. Columbia University, Teachers College, 1967.
Let op: Deze citaties zijn niet altijd 100% accuraat.