APA Citation

Richards, J., & Long, M. (1993). Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Richards, J.c., và M.n Long. Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press, 1993.

MLA Citation

Richards, J.c., và M.n Long. Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press, 1993.

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