APA引文

Solórzano, H. S. (2006). NorthStar: Building skills for the TOEFL IBT : High intermediate. New York: Pearson Longman.

Trích dẫn kiểu Chicago

Solórzano, Helen S. NorthStar: Building Skills for the TOEFL IBT : High Intermediate. New York: Pearson Longman, 2006.

MLA引文

Solórzano, Helen S. NorthStar: Building Skills for the TOEFL IBT : High Intermediate. New York: Pearson Longman, 2006.

警告：這些引文格式不一定是100％准確.