APA引文

Baugh, L. S. (1992). Handbook for Practical Letter Writing. Illinois: National textbook company.

Trích dẫn kiểu Chicago

Baugh, L. Sue. Handbook for Practical Letter Writing. Illinois: National textbook company, 1992.

MLA引文

Baugh, L. Sue. Handbook for Practical Letter Writing. Illinois: National textbook company, 1992.

警告：這些引文格式不一定是100％准確.