Dyfyniad APA

Edgmand, M. R. (1998). Economics and contemporary issues (4th.ed.). Dryden.

Dyfyniad Arddull Chicago

Edgmand, Michael R. Economics and Contemporary Issues. 4th.ed. Philadelphia: Dryden, 1998.

Dyfyniad MLA

Edgmand, Michael R. Economics and Contemporary Issues. 4th.ed. Dryden, 1998.

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