Frendreis, J. P. (1994). The modern presidency and economic policy. F.E.Peacock.
芝加哥风格引文Frendreis, John P. The Modern Presidency and Economic Policy. Itasca, Ill: F.E.Peacock, 1994.
MLA引文Frendreis, John P. The Modern Presidency and Economic Policy. F.E.Peacock, 1994.
警告：这些引文格式不一定是100％准确.