APA ציטוט
Verderber, R. F. (1991). The challenge of effective speaking (8th ed.). Wadsworth Pub. Co..
Chicago Style (17th ed.) Citation
Verderber, Rudolph F. The Challenge of Effective Speaking. 8th ed. Belmont, Calif.: Wadsworth Pub. Co., 1991.
ציטוט MLA
Verderber, Rudolph F. The Challenge of Effective Speaking. 8th ed. Wadsworth Pub. Co., 1991.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.