Παραπομπή σε μορφή APA (7η εκδ.)

Gray, W. S. (1930). The training of college teachers, including their preliminary preparation and in-service improvement. The University of Chicago press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gray, William Scott. The Training of College Teachers, Including Their Preliminary Preparation and In-service Improvement. Chicago, Ill: The University of Chicago press, 1930.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gray, William Scott. The Training of College Teachers, Including Their Preliminary Preparation and In-service Improvement. The University of Chicago press, 1930.