Παραπομπή APA

Fulmer, R. M. (1976). Supervision: Principles of professional management. Glencoe.

Παραπομπή Chicago Style

Fulmer, Robert M. Supervision: Principles of Professional Management. London: Glencoe, 1976.

Παραπομπή MLA

Fulmer, Robert M. Supervision: Principles of Professional Management. Glencoe, 1976.