Gaya APA

Murphy, R. (1998). Essential Grammar in use:a self-study reference and practice book for elementary students of English (Ed.2 Cet. 5). Australia: Cambridge university press.

Gaya MLA

Murphy, Raymond. "Essential Grammar in use:a self-study reference and practice book for elementary students of English". Ed.2 Cet. 5 Australia: Cambridge university press, 1998. Text.