APA Citation

O'sullivan, D., Swan, M., & Walter, C. (1993). C: The New Cambridge English Course Upper-Intermediate. Cambridge: Cambridge University.

Trích dẫn kiểu Chicago

O'sullivan, Desmon, Michael Swan, và Catherine Walter. C: The New Cambridge English Course Upper-Intermediate. Cambridge: Cambridge University, 1993.

MLA Citation

O'sullivan, Desmon, Michael Swan, và Catherine Walter. C: The New Cambridge English Course Upper-Intermediate. Cambridge: Cambridge University, 1993.

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