Clark, G. (2007). A farewell to alms: A brief economic history of the world. Princeton University Press.
Chicago-referens (17:e uppl.)Clark, Gregory. A Farewell to Alms: A Brief Economic History of the World. Princeton: Princeton University Press, 2007.
MLA-referens (8:e uppl.)Clark, Gregory. A Farewell to Alms: A Brief Economic History of the World. Princeton University Press, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.