Gaya APA

Murphy, R. (2001). Essential grammar in Use : A self-study reference and practice book for elementary students of English with answer. Second Edition / Raymond Murphy (Ed.ke-2). Jakarta: Erlangga.

Gaya MLA

Murphy, Raymond. "Essential grammar in Use : A self-study reference and practice book for elementary students of English with answer. Second Edition / Raymond Murphy". Ed.ke-2 Jakarta: Erlangga, 2001. Skripsi.