Gaya APA

Murphy, R. (1998). Essential Grammar In Use : A self-study reference and practice book for elementary students of english with answers (New Editionn, Second Edition). New York: Cambridge university Press.

Gaya MLA

Murphy, Raymond. "Essential Grammar In Use : A self-study reference and practice book for elementary students of english with answers". New Editionn, Second Edition New York: Cambridge university Press, 1998. Text.