APA citiranje

Beaumont, J. (2006). Northstar: Building skills for the TOEFL iBT. New York: Longman.

Trích dẫn kiểu Chicago

Beaumont, John. Northstar: Building Skills for the TOEFL IBT. New York: Longman, 2006.

MLA citiranje

Beaumont, John. Northstar: Building Skills for the TOEFL IBT. New York: Longman, 2006.

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