Dyfyniad APA

Husted, S. L., & Melvin, M. (2007). International economics (7th ed.). Pearson/Addison-Wesley.

Dyfyniad Arddull Chicago

Husted, Steven L., and Michael Melvin. International Economics. 7th ed. Boston: Pearson/Addison-Wesley, 2007.

Dyfyniad MLA

Husted, Steven L., and Michael Melvin. International Economics. 7th ed. Pearson/Addison-Wesley, 2007.

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