Gaya APA

MURPHY, R. (2001). Essential grammar in use : a self-study reference and practice book for elementery students of english/ Raymond Murphy (Ed. 2). Jakarta: Erlangga.

Gaya MLA

MURPHY, Raymond. "Essential grammar in use : a self-study reference and practice book for elementery students of english/ Raymond Murphy". Ed. 2 Jakarta: Erlangga, 2001. Text.