APA Alıntı

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

Chicago Stili Alıntı

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

MLA Alıntı

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