Dyfyniad APA

Krugman, P. R. (2000). International economics: : theory and policy. Addison-Wesley.

Dyfyniad Arddull Chicago

Krugman, Paul R. International Economics: : Theory and Policy. Reading Msstt.: Addison-Wesley, 2000.

Dyfyniad MLA

Krugman, Paul R. International Economics: : Theory and Policy. Addison-Wesley, 2000.

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