Gaya APA

MURPHY, R. (1998). Essential Grammar In Use : A self-study reference and practice book for elementary students of english with answers (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 with answers". Ed. 2 Cet 5 Australia: Cambridge University Press, 1998. Text.