APA引文

The United States Department of Labor, & United States. Bureau of Labor Statistics.; United States. Department of Labor. (2008). Occupational Outlook Handbook 2008-2009. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

The United States Department of Labor, và United States. Bureau of Labor Statistics.; United States. Department of Labor. Occupational Outlook Handbook 2008-2009. New York: McGraw-Hill, 2008.

MLA引文

The United States Department of Labor, và United States. Bureau of Labor Statistics.; United States. Department of Labor. Occupational Outlook Handbook 2008-2009. New York: McGraw-Hill, 2008.

警告：这些引文格式不一定是100％准确.