Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2015). International economics: Theory and policy (10th edition.). Pearson.
Lua i Stíl Chicago (17ú heag.)Krugman, Paul R., Maurice Obstfeld, agus Marc J. Melitz. International Economics: Theory and Policy. 10th edition. Boston: Pearson, 2015.
Lua MLA (8ú heag.)Krugman, Paul R., et al. International Economics: Theory and Policy. 10th edition. Pearson, 2015.
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