Não informado. (1969). History of Political Economy. Duke University Press.
Chicago-Zitierstil (17. Ausg.)Não informado. History of Political Economy. Durham, NC: Duke University Press, 1969.
MLA-Zitierstil (8. Ausg.)Não informado. History of Political Economy. Duke University Press, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.