Merriam, C. E. (1906). A history of American political theories. Macmillan Company.
Lua i Stíl Chicago (17ú heag.)Merriam, Charles Edward. A History of American Political Theories. New York: Macmillan Company, 1906.
Lua MLA (8ú heag.)Merriam, Charles Edward. A History of American Political Theories. Macmillan Company, 1906.
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