APA

Hashemi L., Thomas B., . (2008). Cambridge Grammar for First Certificate with Answers. Cambridge: Cambridge University Press.

Chicago

Hashemi L, Thomas B, . 2008. Cambridge Grammar for First Certificate with Answers. Cambridge: Cambridge University Press.

Harvard

Hashemi L., Thomas B., . (2008). Cambridge Grammar for First Certificate with Answers. Cambridge: Cambridge University Press.

MLA

Hashemi L, Thomas B, . Cambridge Grammar for First Certificate with Answers. Cambridge: Cambridge University Press. 2008.