Citazione Stile APA (7a Edizione)

American Management Association. (1964). Safety for the supervisor. s.n.

Citazione stile Chigago Style (17a edizione)

American Management Association. Safety for the Supervisor. New York: s.n, 1964.

Citatione MLA (9a ed.)

American Management Association. Safety for the Supervisor. s.n, 1964.