Corwin, Edward S.
The Presidency today
New York University Press, 1956
 Buku Teks
Schubert, Glendon A., Jr
The presidency in the courts
University of Minnesota Press, 1956
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Pious, Richard M.
The American presidency
Basic Books, 1944
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Rossiter, Clinton, 1917-1970
The American presidency
The American Library, 1960
 Buku Teks SO
Megawati membangun negeri
Komunitas Peduli Komunikasi, 2004
 Buku Teks SO