Gaya APA

Murphy, R. (2012). English grammar in use : a self-study reference and practice book for intermediate students of English : with answers / fourth edition (4). Cambridge: Cambridge University Press.

Gaya MLA

Murphy, Raymond. "English grammar in use : a self-study reference and practice book for intermediate students of English : with answers / fourth edition". 4 Cambridge: Cambridge University Press, 2012. Text.