Froyen Richard. (2014). Macreconomics: Theories and Policies (10.). Pearson Education.
Lua i Stíl Chicago (17ú heag.)Froyen Richard. Macreconomics: Theories and Policies. 10. Pearson Education, 2014.
Lua MLA (9ú heag.)Froyen Richard. Macreconomics: Theories and Policies. 10. Pearson Education, 2014.
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