APA引文

(1981). 1981 U.S. industrial outlook for 200 industries with projections for 1985. Washington.

Trích dẫn kiểu Chicago

1981 U.S. Industrial Outlook for 200 Industries With Projections for 1985. Washington, 1981.

MLA引文

1981 U.S. Industrial Outlook for 200 Industries With Projections for 1985. Washington, 1981.

警告：這些引文格式不一定是100％准確.