APA Style

Hewings, M. (2009). Advanced Grammar in Use A self-study reference and practice book for advanced students of English (พิมพ์ครั้งที่ 7). : Gambridge University.

MLA Style

Hewings, Martin. "Advanced Grammar in Use A self-study reference and practice book for advanced students of English". พิมพ์ครั้งที่ 7 : Gambridge University, 2009. .