APA ציטוט

Beaumont, J. (2006). NorthStar: Building skills for the TOEFL IBT : Intermediate. New York: Pearson Longman.

Trích dẫn kiểu Chicago

Beaumont, John. NorthStar: Building Skills for the TOEFL IBT : Intermediate. New York: Pearson Longman, 2006.

ציטוט MLA

Beaumont, John. NorthStar: Building Skills for the TOEFL IBT : Intermediate. New York: Pearson Longman, 2006.