Dyfyniad APA

Appleyard Dennis R. (2013). International Economics (8th.). McGraw Hill.

Dyfyniad Arddull Chicago

Appleyard Dennis R. International Economics. 8th. New Delhi: McGraw Hill, 2013.

Dyfyniad MLA

Appleyard Dennis R. International Economics. 8th. McGraw Hill, 2013.

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