APA引文

(2006). Downtown: English for work and life. Boston, MA: Thomson/Heinl.

Trích dẫn kiểu Chicago

Downtown: English for Work and Life. Boston, MA: Thomson/Heinl, 2006.

MLA引文

Downtown: English for Work and Life. Boston, MA: Thomson/Heinl, 2006.

警告：这些引文格式不一定是100％准确.