Cita APA (7a ed.)

Wells, J. (2011). English intonation: An Introduction. Cambridge University.

Cita Chicago Style (17a ed.)

Wells, J.C. English Intonation: An Introduction. Cambridge: Cambridge University, 2011.

Cita MLA (9a ed.)

Wells, J.C. English Intonation: An Introduction. Cambridge University, 2011.