Freeman, R. B., & ed. Inequality Around th World.
Lua i Stíl Chicago (17ú heag.)Freeman, Richard B., agus ed. Inequality Around Th World.
Lua MLA (9ú heag.)Freeman, Richard B., agus ed. Inequality Around Th World.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.