Froyen, R. (2005). Macroeconomics (8th.). Pearson.
Lua i Stíl Chicago (17ú heag.)Froyen, Richard. Macroeconomics. 8th. New Delhi: Pearson, 2005.
Lua MLA (9ú heag.)Froyen, Richard. Macroeconomics. 8th. Pearson, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.