Cita APA (7th ed.)

Marks, J. (2007). English pronunciation in use elementary: Self-study and classroom use. Cambridge University Press.

Cita Chicago (17th ed.)

Marks, Jonathan. English Pronunciation in Use Elementary: Self-study and Classroom Use. Cambridge: Cambridge University Press, 2007.

Cita MLA (9th ed.)

Marks, Jonathan. English Pronunciation in Use Elementary: Self-study and Classroom Use. Cambridge University Press, 2007.