Cita APA (7th ed.)

Wells, J. (2006). English intonation: An introduction. Cambridge University.

Cita Chicago (17th ed.)

Wells, J.C. English Intonation: An Introduction. Cambridge: Cambridge University, 2006.

Cita MLA (9th ed.)

Wells, J.C. English Intonation: An Introduction. Cambridge University, 2006.