Schroeder R. C. (1989). An Outline of American Government. [Б. м.], United States Information Agency, 1989.
Chicago Style (17th ed.) CitationSchroeder R. C. An Outline of American Government. [Б. м.], United States Information Agency, 1989, 1989.
MLA (9th ed.) CitationSchroeder R. C. An Outline of American Government. [Б. м.], United States Information Agency, 1989, 1989.
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