APA (7e ed.) Bronvermelding

Schaefer, R. J. (1967). The school as a center of inquiry. Harper & Row.

Chicago (17e ed.) Bronvermelding

Schaefer, Robert Joseph. The School as a Center of Inquiry. New York: Harper & Row, 1967.

MLA (9e ed.) Bronvermelding

Schaefer, Robert Joseph. The School as a Center of Inquiry. Harper & Row, 1967.