Cita APA (7th ed.)

Wolf, M. P., Aurner, R. R., & Keyser, D. F. (1979). Effective communication in business (7th ed.). South-Western Pub.

Cita Chicago (17th ed.)

Wolf, Morris Philip, Robert Ray Aurner, i Dale F. Keyser. Effective Communication in Business. 7th ed. Cincinnati: South-Western Pub, 1979.

Cita MLA (9th ed.)

Wolf, Morris Philip, et al. Effective Communication in Business. 7th ed. South-Western Pub, 1979.