Gaya APA

Hewings, M. (2002). Advanced grammar in use : a self-study reference and practice book for advanced laerners of english with answers (Cet. 2). Jakarta: Erlangga.

Gaya MLA

Hewings, Martin. "Advanced grammar in use : a self-study reference and practice book for advanced laerners of english with answers". Cet. 2 Jakarta: Erlangga, 2002. Text.