Shafritz, J. M. (1988). The Dorsey Dictionary Of American Government And Politics Jay M Shafritz. The Dorsey Press.
Lua i Stíl Chicago (17ú heag.)Shafritz, Jay M. The Dorsey Dictionary Of American Government And Politics Jay M Shafritz. The Dorsey Press, 1988.
Lua MLA (8ú heag.)Shafritz, Jay M. The Dorsey Dictionary Of American Government And Politics Jay M Shafritz. The Dorsey Press, 1988.
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