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