Tohutoro APA (7th ed.)
Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2018). International economics: Theory and policy (11th ed.). Pearson.
Tohutoru Kātū Chicago (17th ed.)
Krugman, Paul R., Maurice Obstfeld, me Marc J. Melitz. International Economics: Theory and Policy. 11th ed. Harlow, England: Pearson, 2018.
Tohutoro MLA (9th ed.)
Krugman, Paul R., et al. International Economics: Theory and Policy. 11th ed. Pearson, 2018.
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