Cita APA (7a ed.)

Walker, R. (2010). Teaching the pronunciation of English as a Lingua Franca. Oxford University Press.

Cita Chicago Style (17a ed.)

Walker, Robin. Teaching the Pronunciation of English as a Lingua Franca. Oxford : New York: Oxford University Press, 2010.

Cita MLA (8a ed.)

Walker, Robin. Teaching the Pronunciation of English as a Lingua Franca. Oxford University Press, 2010.