DiClerico, R. D., & Hammock, A. S. (2004). Points of view: Readings in american government and politics (9th. ed.). McGraw - Hill.

DiClerico, Robert D., and Allan S. Hammock. Points of View: Readings in American Government and Politics. 9th. ed. Boston: McGraw - Hill, 2004.

DiClerico, Robert D., and Allan S. Hammock. Points of View: Readings in American Government and Politics. 9th. ed. McGraw - Hill, 2004.