Gwartney, J. D. (1983). Macroeconomics. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Gwartney, James D. Macroeconomics. ELSEVIER, 1983.
Lua MLA (8ú heag.)Gwartney, James D. Macroeconomics. ELSEVIER, 1983.
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