Dowd, D. F. (1962). Modern economic problems in historical perspectives. D.C.Heath and Co..
芝加哥风格引文Dowd, Douglas F. Modern Economic Problems in Historical Perspectives. Boston: D.C.Heath and Co., 1962.
MLA引文Dowd, Douglas F. Modern Economic Problems in Historical Perspectives. D.C.Heath and Co., 1962.
警告：这些引文格式不一定是100％准确.