Farmer, R. (2002). Macroeconomics (2nd.). South Western.
Lua i Stíl Chicago (17ú heag.)Farmer, Roger. Macroeconomics. 2nd. Singapore: South Western, 2002.
Lua MLA (9ú heag.)Farmer, Roger. Macroeconomics. 2nd. South Western, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.