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Lua i Stíl Chicago (17ú heag.)FROYEN, Richard T. Macroeconomics Theories 7 Policies Richard T.froyen. Prentice-Hall, 1996.
Lua MLA (8ú heag.)FROYEN, Richard T. Macroeconomics Theories 7 Policies Richard T.froyen. Prentice-Hall, 1996.
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