APA (7e ed.) Bronvermelding

Swan, M., & Walter, C. (2011). Oxford english grammar course: Intermediate. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Swan, Michael, en Catherine Walter. Oxford English Grammar Course: Intermediate. New York: Oxford University Press, 2011.

MLA (9e ed.) Bronvermelding

Swan, Michael, en Catherine Walter. Oxford English Grammar Course: Intermediate. Oxford University Press, 2011.