Johnson, P. E., Aldrich, J. H., & Miller, G. J. (1990). American government: People, institutions, and policies (2nd ed.). Houghton mifflin.
Citace podle Chicago (17th ed.)Johnson, Paul E., John H. Aldrich, a Gary J. Miller. American Government: People, Institutions, and Policies. 2nd ed. Dallas: Houghton mifflin, 1990.
Citace podle MLA (9th ed.)Johnson, Paul E., et al. American Government: People, Institutions, and Policies. 2nd ed. Houghton mifflin, 1990.
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