Cita APA (7a ed.)

Marks, J. (2007). English pronunciation in use. Elementary. Cambridge University Press.

Cita Chicago Style (17a ed.)

Marks, Jonathan. English Pronunciation in Use. Elementary. Cambridge: Cambridge University Press, 2007.

Cita MLA (9a ed.)

Marks, Jonathan. English Pronunciation in Use. Elementary. Cambridge University Press, 2007.