APA Citatie

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

Chicago Style citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.