Simon, Yves R.
Philosophy of democratic government / Yves R. Simon
The University of Chicago Press, 1951
 Buku Teks
Roche, John P.
The dynamics of Democratic government
McGraw-Hill, 1954
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Appleby, Paul H.
Morality and administration in democratic government
Louisiana State University Press, 1952
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Corry, J. A.
Democratic government and politics / J.A. Corry
University of Toronto Press, 1960
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McAllister, James Alexander
The Government of Edward Schreyer : democratic socialism in Manitoba
McGill-Queens University Press, 1984
 Buku Teks