Citazione Stile APA (7a Edizione)

Kallaus, N. F., & Keeling, B. L. (1987). Administrative office management (9th ed.). South-Western Publishing.

Citazione stile Chigago Style (17a edizione)

Kallaus, Norman F., e B. Lewis Keeling. Administrative Office Management. 9th ed. Cincinnati, OH: South-Western Publishing, 1987.

Citatione MLA (9a ed.)

Kallaus, Norman F., e B. Lewis Keeling. Administrative Office Management. 9th ed. South-Western Publishing, 1987.