Gaya APA

Raymond, M. (2001). Essential grammar in use : a self-study reference and paractice book for elementary students of english with answers (Ed. 2). England: Erlangga.

Gaya MLA

Raymond, Murphy. "Essential grammar in use : a self-study reference and paractice book for elementary students of english with answers". Ed. 2 England: Erlangga, 2001. Text.