Cita APA (7a ed.)

Trim, J., & Kneebone, P. (1975). English pronunciation illustrated. Cambridge University.

Cita Chicago Style (17a ed.)

Trim, John, y Peter Kneebone. English Pronunciation Illustrated. Cambridge: Cambridge University, 1975.

Cita MLA (9a ed.)

Trim, John, y Peter Kneebone. English Pronunciation Illustrated. Cambridge University, 1975.