O'Connor, J. D. (1971). Advanced phonetic reader. Cambridge University.
Cita Chicago (17th ed.)O'Connor, J. D. Advanced Phonetic Reader. Cambridge: Cambridge University, 1971.
Cita MLA (9th ed.)O'Connor, J. D. Advanced Phonetic Reader. Cambridge University, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.