APA引文

United States. Bureau of Labor Statistics. (1969). Subcontracting. Govt. Pr..

芝加哥风格引文

United States. Bureau of Labor Statistics. Subcontracting. Wash.: Govt. Pr., 1969.

MLA引文

United States. Bureau of Labor Statistics. Subcontracting. Govt. Pr., 1969.

警告：这些引文格式不一定是100％准确.