Παραπομπή σε μορφή APA (7η εκδ.)

Bittel, L. R. (1980). What every supervisor should know: The basics of supervisory management (4th ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bittel, Lester R. What Every Supervisor Should Know: The Basics of Supervisory Management. 4th ed. New York: McGraw-Hill, 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bittel, Lester R. What Every Supervisor Should Know: The Basics of Supervisory Management. 4th ed. McGraw-Hill, 1980.