Cita APA

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

Citación estilo Chicago

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.

Precaución: Estas citas no son 100% exactas.