APA ציטוט

Ferguson, C., & Kreps, J. M. (1965). Principles of economics (2nd ed.).

Chicago Edition Citation

Ferguson, C.E, and Juanita M. Kreps. Principles of Economics. 2nd ed. Calcutta, 1965.

ציטוט MLA

Ferguson, C.E, and Juanita M. Kreps. Principles of Economics. 2nd ed. 1965.