Dyfyniad APA

Garver, F. B., & Hansen, A. H. (1947). Principles of economics (3rd ed.). Ginn.

Dyfyniad Arddull Chicago

Garver, Frederic Benjamin, and Alvin Harvey Hansen. Principles of Economics. 3rd ed. Boston: Ginn, 1947.

Dyfyniad MLA

Garver, Frederic Benjamin, and Alvin Harvey Hansen. Principles of Economics. 3rd ed. Ginn, 1947.

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