Hall, R. E., & Lieberman, M. (1998). Economics: Principles and applications. South-Western.
Lua i Stíl Chicago (17ú heag.)Hall, Robert E., agus Marc Lieberman. Economics: Principles and Applications. Cincinnati: South-Western, 1998.
Lua MLA (9ú heag.)Hall, Robert E., agus Marc Lieberman. Economics: Principles and Applications. South-Western, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.