Thomas, D. A., & Fryar, M. (1981). Successful business speaking: A practical guide for the student and professional. National Textbook Company.
Цитирование в стиле Чикаго (17-е изд.)Thomas, David Allen, и Maridell Fryar. Successful Business Speaking: A Practical Guide for the Student and Professional. Lincolnwood, Ill: National Textbook Company, 1981.
Цитирование MLA (9-е изд.)Thomas, David Allen, и Maridell Fryar. Successful Business Speaking: A Practical Guide for the Student and Professional. National Textbook Company, 1981.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.