APA引文

Le Grand, J., & Robinson, R. (1976). The economics of social problems. Macmillan.

Chicago Style (17th ed.) Citation

Le Grand, Julian, and Ray Robinson. The Economics of Social Problems. London: Macmillan, 1976.

MLA引文

Le Grand, Julian, and Ray Robinson. The Economics of Social Problems. Macmillan, 1976.

警告：這些引文格式不一定是100％准確.