Frendreis, J. P. (1994). The modern presidency and economic policy. F.E.Peacock.
Cita Chicago (17th ed.)Frendreis, John P. The Modern Presidency and Economic Policy. Itasca, Ill: F.E.Peacock, 1994.
Cita MLA (9th ed.)Frendreis, John P. The Modern Presidency and Economic Policy. F.E.Peacock, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.