Dyfyniad APA

Edwin G Dolan & David E Lindsey. (1995). Economics (6th ed.). The Dryden Press.

Dyfyniad Arddull Chicago

Edwin G Dolan and David E Lindsey. Economics. 6th ed. Chicago: The Dryden Press, 1995.

Dyfyniad MLA

Edwin G Dolan and David E Lindsey. Economics. 6th ed. The Dryden Press, 1995.

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