APA (7e ed.) Bronvermelding

Association for Supervision and Curriculum Development & Squire, J. R. (1972). A new look at progressive education. s.n.

Chicago (17e ed.) Bronvermelding

Association for Supervision and Curriculum Development en James R. Squire. A New Look at Progressive Education. Washington, D.C: s.n, 1972.

MLA (9e ed.) Bronvermelding

Association for Supervision and Curriculum Development en James R. Squire. A New Look at Progressive Education. s.n, 1972.

Let op: Deze citaties zijn niet altijd 100% accuraat.