Baker, A., & Goldstein, S. (2008). Pronunciation pairs: An introduction to the sounds of english (Second edition.). Cambridge University Press.
Cita Chicago (17th ed.)Baker, Ann, i Sharon Goldstein. Pronunciation Pairs: An Introduction to the Sounds of English. Second edition. Cambridge: Cambridge University Press, 2008.
Cita MLA (9th ed.)Baker, Ann, i Sharon Goldstein. Pronunciation Pairs: An Introduction to the Sounds of English. Second edition. Cambridge University Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.