Gaya APA

MURPHY, R. (1998). Essential Grammar In Use : a self-study reference and practice book for elementary students of English (2nd ed., 5th printing). Australia: Cambridge University Press.

Gaya MLA

MURPHY, Raymond. "Essential Grammar In Use : a self-study reference and practice book for elementary students of English". 2nd ed., 5th printing Australia: Cambridge University Press, 1998. Text.