Barro, R. J., Angus C. Chu, & Ghido Cozzi. (2017). Intermediate Macroeconomics (First Edition.). Genage Learning.
Lua i Stíl Chicago (17ú heag.)Barro, Robert J., Angus C. Chu, agus Ghido Cozzi. Intermediate Macroeconomics. First Edition. London: Genage Learning, 2017.
Lua MLA (9ú heag.)Barro, Robert J., et al. Intermediate Macroeconomics. First Edition. Genage Learning, 2017.
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