Cita APA

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

Chicago Style Citation

Swan, Michael, i Catherine Walter. Oxford English Grammar Course: Advanced. Oxford (New York): Oxford University Press, 2011.

Cita MLA

Swan, Michael, i Catherine Walter. Oxford English Grammar Course: Advanced. Oxford (New York): Oxford University Press, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.