Krugman, P. R. (2014). International Economics (8th.). Pearson.
Chicago Style (17th ed.) CitationKrugman, Paul R. International Economics. 8th. Noida: Pearson, 2014.
MLA (9th ed.) CitationKrugman, Paul R. International Economics. 8th. Pearson, 2014.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.