APA (7th ed.) Zitazioa

Hance, K. G., Ralph, D. C., & Wiksell, M. J. (1962). Principles of speaking (1a. ed.). Wadsworth Publishing Company Inc.

Chicago Style (17th ed.) Zitazioa

Hance, Kenneth G., David C. Ralph, eta Milton J. Wiksell. Principles of Speaking. 1a. ed. Belmont: Wadsworth Publishing Company Inc, 1962.

MLA (9th ed.) Zitazioa

Hance, Kenneth G., et al. Principles of Speaking. 1a. ed. Wadsworth Publishing Company Inc, 1962.