Dyfyniad APA

Krugman,Paul R, & Obstfeld,Maurice. (1997). International economics: Theory and policy. Addison - Wesley.

Dyfyniad Arddull Chicago

Krugman,Paul R, and Obstfeld,Maurice. International Economics: Theory and Policy. New York: Addison - Wesley, 1997.

Dyfyniad MLA

Krugman,Paul R, and Obstfeld,Maurice. International Economics: Theory and Policy. Addison - Wesley, 1997.

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