APA引文

Silverman, H. A. (1928). The economics of social problems: An introduction to social economics. London: University Tutorial Press.

Trích dẫn kiểu Chicago

Silverman, H. A. The Economics of Social Problems: An Introduction to Social Economics. London: University Tutorial Press, 1928.

MLA引文

Silverman, H. A. The Economics of Social Problems: An Introduction to Social Economics. London: University Tutorial Press, 1928.

警告：這些引文格式不一定是100％准確.