Cita APA (7a ed.)
Thompson, A., & Martinet, A. (1981). A practical English Grammar. Exercises 1. Oxford University Press.
Cita Chicago Style (17a ed.)
Thompson, A.J, y A.V Martinet. A Practical English Grammar. Exercises 1. Oxford: Oxford University Press, 1981.
Cita MLA (9a ed.)
Thompson, A.J, y A.V Martinet. A Practical English Grammar. Exercises 1. Oxford University Press, 1981.
Precaución: Estas citas no son 100% exactas.