Gibson,Christine M., & Richards,I.A. First steps in reading English. A first book for readers to be. New York: Pocket books.
Chicago-стиль цитированияGibson,Christine M., and Richards,I.A. First Steps in Reading English. A First Book for Readers to Be. New York: Pocket books.
MLA-цитированиеGibson,Christine M., and Richards,I.A. First Steps in Reading English. A First Book for Readers to Be. New York: Pocket books.
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