Gaya APA

Murphy,Raymond. (2007). Essential grammar in use / Raymond Murphy . New York: Cambridge University.

Gaya Chicago

Murphy,Raymond. Essential grammar in use / Raymond Murphy. New York: Cambridge University, 2007. Text.

Gaya MLA

Murphy,Raymond. Essential grammar in use / Raymond Murphy. New York: Cambridge University, 2007. Text.

Gaya Turabian

Murphy,Raymond. Essential grammar in use / Raymond Murphy. New York: Cambridge University, 2007. Print.