APA aipamena

Richards, J., & Long, M. (1990). Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press.

Chicago Style aipamena

Richards, J.c., và M.n Long. Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press, 1990.

MLA aipamena

Richards, J.c., và M.n Long. Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press, 1990.

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