Gray, W. S. (1930). The training of college teachers, including their preliminary preparation and in-service improvement. The University of Chicago press.
Citação norma ChicagoGray, William Scott. The Training of College Teachers, Including Their Preliminary Preparation and In-service Improvement. Chicago, Ill: The University of Chicago press, 1930.
Citação norma MLAGray, William Scott. The Training of College Teachers, Including Their Preliminary Preparation and In-service Improvement. The University of Chicago press, 1930.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.