Cita APA (7a ed.)

O'Connor, J. D. (1973). Phonetics. Penguin.

Cita Chicago Style (17a ed.)

O'Connor, J. D. Phonetics. Harmondsworth, Middlesex: Penguin, 1973.

Cita MLA (8a ed.)

O'Connor, J. D. Phonetics. Penguin, 1973.