Krugman, P. R. (1994). International economics: Theory and policy. New York: HarperCollins College Publishers.
Chicago Style citaatKrugman, Paul R. International Economics: Theory and Policy. New York: HarperCollins College Publishers, 1994.
MLA citatieKrugman, Paul R. International Economics: Theory and Policy. New York: HarperCollins College Publishers, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.