Gaya APA

, B, S, (., (Pengarang), , S, A. (2009). ENGLISH GRAMMAR : UNDERSTANDING AND USING (4). Jakarta :: AZZHAR INTERACTIVE,.

Gaya MLA

, BETTY, S.AZZAR, (Pengarang)., (Pengarang), , STACY, A.HAGEN. "ENGLISH GRAMMAR : UNDERSTANDING AND USING". 4 Jakarta :: AZZHAR INTERACTIVE,, 2009. Monograf.