Cita APA

Murphy, R. (1990). Essential grammar in use: With answer. New York: Cambridge University Press.

Chicago Style Citation

Murphy, Raymond. Essential Grammar in Use: With Answer. New York: Cambridge University Press, 1990.

Cita MLA

Murphy, Raymond. Essential Grammar in Use: With Answer. New York: Cambridge University Press, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.