APA引文

Hallows, R. (1600). IELTS express. Boston, MA: Thomson.

Trích dẫn kiểu Chicago

Hallows, Richarch. IELTS Express. Boston, MA: Thomson, 1600.

MLA引文

Hallows, Richarch. IELTS Express. Boston, MA: Thomson, 1600.

警告：這些引文格式不一定是100％准確.