Citazione Stile APA (7a Edizione)

Bittel, L. R. (1974). What every supervisor should know (3rd ed.). McGraw-Hill Book Co.

Citazione stile Chigago Style (17a edizione)

Bittel, Lester R. What Every Supervisor Should Know. 3rd ed. New York: McGraw-Hill Book Co, 1974.

Citatione MLA (9a ed.)

Bittel, Lester R. What Every Supervisor Should Know. 3rd ed. McGraw-Hill Book Co, 1974.