Frank, T., & Ray, D. (1979). Basic business and professional speech communication. Prentice-Hall.
Цитирование в стиле Чикаго (17-е изд.)Frank, Ted, и David Ray. Basic Business and Professional Speech Communication. Englewood Cliffs, NJ: Prentice-Hall, 1979.
Цитирование MLA (9-е изд.)Frank, Ted, и David Ray. Basic Business and Professional Speech Communication. Prentice-Hall, 1979.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.