APA Citation

Firsten, R. (2004). Contemporary English: Workbook. New York, NY: McGraw-Hill ESL/EST.

Trích dẫn kiểu Chicago

Firsten, Richard. Contemporary English: Workbook. New York, NY: McGraw-Hill ESL/EST, 2004.

MLA Citation

Firsten, Richard. Contemporary English: Workbook. New York, NY: McGraw-Hill ESL/EST, 2004.

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