APA引文

Ferguson, C. E., & Vaish, M. C. (1962). Principles of economics. Duke University.

Chicago Edition Citation

Ferguson, C. E., and M. C. Vaish. Principles of Economics. USA: Duke University, 1962.

MLA引文

Ferguson, C. E., and M. C. Vaish. Principles of Economics. Duke University, 1962.

警告：這些引文格式不一定是100％准確.