Cita APA (7th ed.)

Avery, P., & Ehrlich, S. (1992). Teaching American English pronunciation. Oxford University Press.

Cita Chicago (17th ed.)

Avery, Peter, i Susan Ehrlich. Teaching American English Pronunciation. Oxford [England] ; New York: Oxford University Press, 1992.

Cita MLA (8th ed.)

Avery, Peter, i Susan Ehrlich. Teaching American English Pronunciation. Oxford University Press, 1992.