Cita APA (7a ed.)

Hanna, J. M., Popham, E. L., & Tilton, R. S. (1973). Secretarial procedures and administration (6th ed.). South-Western Pub. Co..

Cita Chicago Style (17a ed.)

Hanna, J. Marshall, Estelle L. Popham, y Rita Sloan Tilton. Secretarial Procedures and Administration. 6th ed. Cincinnati: South-Western Pub. Co., 1973.

Cita MLA (9a ed.)

Hanna, J. Marshall, et al. Secretarial Procedures and Administration. 6th ed. South-Western Pub. Co., 1973.