APA引文

Collins, H. (2014). Skills for the TOEIC® test: Speaking and writing. Harper Collins Publishers.

Trích dẫn kiểu Chicago

Collins, Harper. Skills for the TOEIC® Test: Speaking and Writing. Harper Collins Publishers, 2014.

MLA引文

Collins, Harper. Skills for the TOEIC® Test: Speaking and Writing. Harper Collins Publishers, 2014.

警告：這些引文格式不一定是100％准確.