Dyfyniad APA

Pugel, T. A., & Lindert, P. H. (2000). International economics (11th ed.). Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Pugel, Thomas A., và Peter H. Lindert. International Economics. 11th ed. Boston: McGraw-Hill, 2000.

Dyfyniad MLA

Pugel, Thomas A., và Peter H. Lindert. International Economics. 11th ed. Boston: McGraw-Hill, 2000.

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