Dyfyniad APA

Miller, R. L. (1973). Economics today (2nd ed.). Canfield press.

Dyfyniad Arddull Chicago

Miller, Roger LeRoy. Economics Today. 2nd ed. : Canfield press, 1973.

Dyfyniad MLA

Miller, Roger LeRoy. Economics Today. 2nd ed. Canfield press, 1973.

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