APA引文

Langan, J. (2003). Sentence skills: A Workbook for Writers. New York: The McGraw-Hill Companies.

Trích dẫn kiểu Chicago

Langan, John. Sentence Skills: A Workbook for Writers. New York: The McGraw-Hill Companies, 2003.

MLA引文

Langan, John. Sentence Skills: A Workbook for Writers. New York: The McGraw-Hill Companies, 2003.

警告：這些引文格式不一定是100％准確.