Burns, James McGregor
Four-party politics in America
Prentice-Hall, 1963
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Sorauf, Frank J.
Party politics America
Little, Brown, 1988
 Buku Teks SO
Sorauf, Frank J.
Party politics in America
Little, Brown, 1980
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Frank, Andre Gunder
Lumpenbourgeoisie: lumpendevelopment, Dependence, class, and politics in latin America / Andre Gunder Frank.
Monthly Review Press, 1972
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Beck, J. Murray
The government of Nava Scotia / by J. Murray Beck
University of Toronto Press, 1957
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