APA

Naylor H., Murphy R., . (1997). Essential Grammar in Use Supplementary Exercises with Answers. Cambridge: Cambridge University Press.

Chicago

Naylor H, Murphy R, . 1997. Essential Grammar in Use Supplementary Exercises with Answers. Cambridge: Cambridge University Press.

Harvard

Naylor H., Murphy R., . (1997). Essential Grammar in Use Supplementary Exercises with Answers. Cambridge: Cambridge University Press.

MLA

Naylor H, Murphy R, . Essential Grammar in Use Supplementary Exercises with Answers. Cambridge: Cambridge University Press. 1997.