Gaya APA

Hewings, M. (2000). Advanced Grammar in Use : A self-study Reference and Practice Book for Advanced Learners of English / Martin Hewings (cet.2). England: Cambridge.

Gaya MLA

Hewings, Martin. "Advanced Grammar in Use : A self-study Reference and Practice Book for Advanced Learners of English / Martin Hewings". cet.2 England: Cambridge, 2000. Text.