HALL, R. E. (2003). Economics principles and applications. Thomson.
Lua i Stíl Chicago (17ú heag.)HALL, Robert E. Economics Principles and Applications. Thomson, 2003.
Lua MLA (8ú heag.)HALL, Robert E. Economics Principles and Applications. Thomson, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.