Verderber, R. F., Sellnow, D. D., & Verderber, K. S. (2024). The challenge of effective speaking in a digital age (18th edition.). Cengage.
Chicago Style (17th ed.) CitationVerderber, Rudolph F., Deanna D. Sellnow, and Kathleen S. Verderber. The Challenge of Effective Speaking in a Digital Age. 18th edition. Boston, MA, USA: Cengage, 2024.
ציטוט MLAVerderber, Rudolph F., et al. The Challenge of Effective Speaking in a Digital Age. 18th edition. Cengage, 2024.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.