Parkin, K. (1969). Ideal voice and speech training: A book of exercises (Rev., with additional material.). S. French.
Цитирование в стиле Чикаго (17-е изд.)Parkin, Ken. Ideal Voice and Speech Training: A Book of Exercises. Rev., with additional material. London ; New York: S. French, 1969.
Цитирование MLA (9-е изд.)Parkin, Ken. Ideal Voice and Speech Training: A Book of Exercises. Rev., with additional material. S. French, 1969.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.