Thomson, A. J., & Martinet, A. V. (1986). A practical English grammar (4th ed. (rev. and updated).). Oxford University Press.
Cita Chicago Style (17a ed.)Thomson, A. J., y A. V. Martinet. A Practical English Grammar. 4th ed. (rev. and updated). Oxford [England] ; New York ; New Delhi: Oxford University Press, 1986.
Cita MLA (8a ed.)Thomson, A. J., y A. V. Martinet. A Practical English Grammar. 4th ed. (rev. and updated). Oxford University Press, 1986.
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