Dowd, D. F. (1962). Modern economic problems in historical perspectives. D.C.Heath and Co..
Cita Chicago (17th ed.)Dowd, Douglas F. Modern Economic Problems in Historical Perspectives. Boston: D.C.Heath and Co., 1962.
Cita MLA (9th ed.)Dowd, Douglas F. Modern Economic Problems in Historical Perspectives. D.C.Heath and Co., 1962.
Atenció: Aquestes cites poden no estar 100% correctes.