Dyfyniad APA

Richards, J., & Long, M. (1988). Breakthrough: A Course in English Communication Practice. London: Oxford University Press.

Dyfyniad Arddull Chicago

Richards, J.C., và M.n Long. Breakthrough: A Course in English Communication Practice. London: Oxford University Press, 1988.

Dyfyniad MLA

Richards, J.C., và M.n Long. Breakthrough: A Course in English Communication Practice. London: Oxford University Press, 1988.

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