Dyfyniad APA

Begg, D. (2000). Economics (6th ed.). London: McGraw-Hill.

Dyfyniad Arddull Chicago

Begg, David. Economics. 6th ed. London: McGraw-Hill, 2000.

Dyfyniad MLA

Begg, David. Economics. 6th ed. London: McGraw-Hill, 2000.

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