Não informado. (1969). History of Political Economy. Duke University Press.
Lua i Stíl Chicago (17ú heag.)Não informado. History of Political Economy. Durham, NC: Duke University Press, 1969.
Lua MLA (8ú heag.)Não informado. History of Political Economy. Duke University Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.