Dyfyniad APA

Ferguson, C., & Vaish, M. C. (1965). Principles of economics/2e (2nd ed.). Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Ferguson, C.E, and M. C. Vaish. Principles of Economics/2e. 2nd ed. New York: Holt, Rinehart and Winston, 1965.

Dyfyniad MLA

Ferguson, C.E, and M. C. Vaish. Principles of Economics/2e. 2nd ed. Holt, Rinehart and Winston, 1965.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.