Wilson, J. Q. (1992). American government: Institutions and policies (5th ed.). Thomson / Wadsworth Corp..
Lua i Stíl Chicago (17ú heag.)Wilson, James Q. American Government: Institutions and Policies. 5th ed. Belmont, CA: Thomson / Wadsworth Corp., 1992.
Lua MLA (8ú heag.)Wilson, James Q. American Government: Institutions and Policies. 5th ed. Thomson / Wadsworth Corp., 1992.
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