Gibson, C. M., & Richards, I. (1957). First steps in reading English: A first book for readers to be. New York: Pocket Books.
Citación estilo ChicagoGibson, Christine M., and I.A Richards. First Steps in Reading English: A First Book for Readers to Be. New York: Pocket Books, 1957.
Cita MLAGibson, Christine M., and I.A Richards. First Steps in Reading English: A First Book for Readers to Be. New York: Pocket Books, 1957.
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