DiClerico, R. D., & Hammock, A. S. (2004). Points of view: Readings in american government and politics (9th. ed.). McGraw - Hill.
Lua i Stíl Chicago (17ú heag.)DiClerico, Robert D., agus Allan S. Hammock. Points of View: Readings in American Government and Politics. 9th. ed. Boston: McGraw - Hill, 2004.
Lua MLA (9ú heag.)DiClerico, Robert D., agus Allan S. Hammock. Points of View: Readings in American Government and Politics. 9th. ed. McGraw - Hill, 2004.
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