Colander, D. C. (2006). Economics (6th ed.). McGraw-Hill/Irwin.
Lua i Stíl Chicago (17ú heag.)Colander, David C. Economics. 6th ed. Boston: McGraw-Hill/Irwin, 2006.
Lua MLA (8ú heag.)Colander, David C. Economics. 6th ed. McGraw-Hill/Irwin, 2006.
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