Frendreis, J. P. (1994). The modern presidency and economic policy. F.E.Peacock.
Lua i Stíl Chicago (17ú heag.)Frendreis, John P. The Modern Presidency and Economic Policy. Itasca, Ill: F.E.Peacock, 1994.
Lua MLA (9ú heag.)Frendreis, John P. The Modern Presidency and Economic Policy. F.E.Peacock, 1994.
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