Bruntz, G. G., & Bremer, J. (1967). American Government ([Annotated ed.). Ginn.
Lua i Stíl Chicago (17ú heag.)Bruntz, George G., agus John Bremer. American Government. [Annotated ed. Boston]: Ginn, 1967.
Lua MLA (8ú heag.)Bruntz, George G., agus John Bremer. American Government. [Annotated ed. Ginn, 1967.
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