Não informado. (2004). Explorations in Economic History. Academic Press.
Chicago-referens (17:e uppl.)Não informado. Explorations in Economic History. Orlando, Fla: Academic Press, 2004.
MLA-referens (8:e uppl.)Não informado. Explorations in Economic History. Academic Press, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.