APA Citatie

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

Chicago Style citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.