Dyfyniad APA

Schiller, B. R. (2005). Essentials of economics (5th ed.). McGraw - Hill.

Dyfyniad Arddull Chicago

Schiller, Bradley R. Essentials of Economics. 5th ed. Boston: McGraw - Hill, 2005.

Dyfyniad MLA

Schiller, Bradley R. Essentials of Economics. 5th ed. McGraw - Hill, 2005.

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