Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2023). International economics: Theory & policy (Twelfth edition.). Pearson.
Lua i Stíl Chicago (17ú heag.)Krugman, Paul R., Maurice Obstfeld, agus Marc J. Melitz. International Economics: Theory & Policy. Twelfth edition. Harlow, England: Pearson, 2023.
Lua MLA (8ú heag.)Krugman, Paul R., et al. International Economics: Theory & Policy. Twelfth edition. Pearson, 2023.
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