APA

Marks J., . (2007). English Pronunciation in Use. Elementary. Cambridge: Cambridge University Press.

Chicago

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

Harvard

Marks J., . (2007). English Pronunciation in Use. Elementary. Cambridge: Cambridge University Press.

MLA

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