Gaya APA

HEWINGS, M. (2001). Advanced Grammar in Use: a Self-Study Reference and Practice Book for Advanced Leaners of English with Answer (2nd ed., 1st reprint). Jakarta: Erlangga.

Gaya MLA

HEWINGS, Martin. "Advanced Grammar in Use: a Self-Study Reference and Practice Book for Advanced Leaners of English with Answer". 2nd ed., 1st reprint Jakarta: Erlangga, 2001. Text.