Richards, I. A., & Gibson, C. (1945). Learning basic english: A practical handbook for english speaking people. New York: Norton W.W. & Company.
Citación estilo ChicagoRichards, I. A., και Christine Gibson. Learning Basic English: A Practical Handbook for English Speaking People. New York: Norton W.W. & Company, 1945.
Cita MLARichards, I. A., και Christine Gibson. Learning Basic English: A Practical Handbook for English Speaking People. New York: Norton W.W. & Company, 1945.
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