Dyfyniad APA

Dennis R Appleyard. (2014). International Economics (8th ed.). Mc-GrawHill.

Dyfyniad Arddull Chicago

Dennis R Appleyard. International Economics. 8th ed. NewDelhi: Mc-GrawHill, 2014.

Dyfyniad MLA

Dennis R Appleyard. International Economics. 8th ed. Mc-GrawHill, 2014.

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