Wolf, M. P., Aurner, R. R., & Keyser, D. F. (1979). Effective communication in business (7th ed.). South-Western Pub.
Čikaški stil citiranja (17. izdanje)Wolf, Morris Philip, Robert Ray Aurner, i Dale F. Keyser. Effective Communication in Business. 7th ed. Cincinnati: South-Western Pub, 1979.
MLA način citiranja (9. izdanje)Wolf, Morris Philip, et al. Effective Communication in Business. 7th ed. South-Western Pub, 1979.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.