Gaya APA

Hewings, M. (2001). Advanced grammar in use : aself-study reference and practice book for advance learners of english / Martin Hewings (Cet.1). Jakarta: Erlangga.

Gaya MLA

Hewings, Martin. "Advanced grammar in use : aself-study reference and practice book for advance learners of english / Martin Hewings". Cet.1 Jakarta: Erlangga, 2001. Buku.