APA引文

Richard J. Butler. (1999). The economics of social insurance and employee benefits. Norwell, MA: Klwer Academic.

Trích dẫn kiểu Chicago

Richard J. Butler. The Economics of Social Insurance and Employee Benefits. Norwell, MA: Klwer Academic, 1999.

MLA引文

Richard J. Butler. The Economics of Social Insurance and Employee Benefits. Norwell, MA: Klwer Academic, 1999.

警告：這些引文格式不一定是100％准確.