APA引文

Freeman, D., & Donald Freeman. (2005). ICON: International communication through English. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Freeman, Donald, và Donald Freeman. ICON: International Communication Through English. New York: McGraw-Hill, 2005.

MLA引文

Freeman, Donald, và Donald Freeman. ICON: International Communication Through English. New York: McGraw-Hill, 2005.

警告：這些引文格式不一定是100％准確.