Cita APA

Thompson, A., & Martinet, A. (1986). A practical english grammar (4th ed., [rev. & updated].). Oxford: Oxford University Press.

Citación estilo Chicago

Thompson, A.J, and A.V Martinet. A Practical English Grammar. 4th ed., [rev. & updated]. Oxford: Oxford University Press, 1986.

Cita MLA

Thompson, A.J, and A.V Martinet. A Practical English Grammar. 4th ed., [rev. & updated]. Oxford: Oxford University Press, 1986.