Ross, R. S. (1996). American national government: Institutions, policy, and participation (4th ed.). McGraw Hill.
Chicago-referens (17:e uppl.)Ross, Robert S. American National Government: Institutions, Policy, and Participation. 4th ed. New York: McGraw Hill, 1996.
MLA-referens (8:e uppl.)Ross, Robert S. American National Government: Institutions, Policy, and Participation. 4th ed. McGraw Hill, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.