Wolf, M. P., Aurner, R. R., & Keyser, D. F. (1979). Effective communication in business (7th ed.). South-Western Pub.
Chicago-Zitierstil (17. Ausg.)Wolf, Morris Philip, Robert Ray Aurner, und Dale F. Keyser. Effective Communication in Business. 7th ed. Cincinnati: South-Western Pub, 1979.
MLA-Zitierstil (9. Ausg.)Wolf, Morris Philip, et al. Effective Communication in Business. 7th ed. South-Western Pub, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.