Brodnitz, F. S. (1988). Keep your voice healthy: A guide to the intelligent use and care of the speaking and singing voice (2nd ed.). College-Hill.
Цитирование в стиле Чикаго (17-е изд.)Brodnitz, Friedrich S. Keep Your Voice Healthy: A Guide to the Intelligent Use and Care of the Speaking and Singing Voice. 2nd ed. Boston: College-Hill, 1988.
Цитирование MLA (9-е изд.)Brodnitz, Friedrich S. Keep Your Voice Healthy: A Guide to the Intelligent Use and Care of the Speaking and Singing Voice. 2nd ed. College-Hill, 1988.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.