Rivers, W. M., & Temperley, M. S. (1979). A Practical guide to the teaching of English as a second or foreign language. Oxford University.
Cita Chicago Style (17a ed.)Rivers, Wilga M., y Mary S. Temperley. A Practical Guide to the Teaching of English as a Second or Foreign Language. New York: Oxford University, 1979.
Cita MLA (9a ed.)Rivers, Wilga M., y Mary S. Temperley. A Practical Guide to the Teaching of English as a Second or Foreign Language. Oxford University, 1979.
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