Cita APA (7th ed.)
Thomson, A. J., & Martinet, . A. V. (1986). A Practical English Grammar (4th ed.). Oxford University Press.
Cita Chicago (17th ed.)
Thomson, A. J., i A. V. Martinet. A Practical English Grammar. 4th ed. New York: Oxford University Press, 1986.
Cita MLA (9th ed.)
Thomson, A. J., i A. V. Martinet. A Practical English Grammar. 4th ed. Oxford University Press, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.