APA ציטוט
Verderber, R. F. (1982). The challenge of effective speaking (5th ed.). Wadsworth.
Chicago Style (17th ed.) Citation
Verderber, Rudolph F. The Challenge of Effective Speaking. 5th ed. Califonia: Wadsworth, 1982.
ציטוט MLA
Verderber, Rudolph F. The Challenge of Effective Speaking. 5th ed. Wadsworth, 1982.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.