APA引文

Harrison, M. (2006). IELTS practice tests. Boston, MA: Thomson ELT.

Trích dẫn kiểu Chicago

Harrison, Mark. IELTS Practice Tests. Boston, MA: Thomson ELT, 2006.

MLA引文

Harrison, Mark. IELTS Practice Tests. Boston, MA: Thomson ELT, 2006.

警告：這些引文格式不一定是100％准確.