Clark, G. y. (2007). A farewell to alms: Brief economic history of the world. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Clark, Gregor y. A Farewell to Alms: Brief Economic History of the World. Princeton: Princeton University Press, 2007.
Lua MLA (9ú heag.)Clark, Gregor y. A Farewell to Alms: Brief Economic History of the World. Princeton University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.