Edwards, D. V. (1982). The American political experience: An introduction to government (2nd ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Edwards, David V. The American Political Experience: An Introduction to Government. 2nd ed. Englewood Cliffs, N. J: Prentice-Hall, 1982.
Lua MLA (9ú heag.)Edwards, David V. The American Political Experience: An Introduction to Government. 2nd ed. Prentice-Hall, 1982.
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