KRUGMAN, P. R. (2000). International economics: Theory and policy/Paul R. Krugman, Maurice Obstfeld. Addison Wesley.
Lua i Stíl Chicago (17ú heag.)KRUGMAN, Paul R. International Economics: Theory and Policy/Paul R. Krugman, Maurice Obstfeld. Addison Wesley, 2000.
Lua MLA (8ú heag.)KRUGMAN, Paul R. International Economics: Theory and Policy/Paul R. Krugman, Maurice Obstfeld. Addison Wesley, 2000.
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