Dyfyniad APA

Gill, R. T. (1991). Economics and the public interest (5th ed.). Mayfield Pub. Co..

Dyfyniad Arddull Chicago

Gill, Richard T. Economics and the Public Interest. 5th ed. Mountain View, Calif.: Mayfield Pub. Co., 1991.

Dyfyniad MLA

Gill, Richard T. Economics and the Public Interest. 5th ed. Mayfield Pub. Co., 1991.

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