Oxford practice grammar : basic : with answers.

MLA

Coe, Norman, Mark Harrison, and Ken Paterson. Oxford Practice Grammar : Basic : with Answers. Oxford: University Press, 2006.

APA

Coe, N., Harrison, M., & Paterson, K. (2006). Oxford practice grammar : basic : with answers. Oxford: University Press.

Chicago

Coe, Norman, Mark Harrison, and Ken Paterson. Oxford Practice Grammar: Basic : with Answers. Oxford: University Press, 2006.