Cita APA (7th ed.)

Kallaus, N. F., & Keeling, B. L. (1991). Administrative office management (10th ed.). South-Western Pub. Co..

Cita Chicago (17th ed.)

Kallaus, Norman Francis, i B. Lewis Keeling. Administrative Office Management. 10th ed. Cincinnati, OH: South-Western Pub. Co., 1991.

Cita MLA (9th ed.)

Kallaus, Norman Francis, i B. Lewis Keeling. Administrative Office Management. 10th ed. South-Western Pub. Co., 1991.