APA Zitierstil

Krugman, P. R. (1994). International economics: Theory and policy. New York: HarperCollins College Publishers.

Chicago Zitierstil

Krugman, Paul R. International Economics: Theory and Policy. New York: HarperCollins College Publishers, 1994.

MLA Zitierstil

Krugman, Paul R. International Economics: Theory and Policy. New York: HarperCollins College Publishers, 1994.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.