Sayre, W. S. (1948). An outline of American government (10th revised ed.). Barnes & Noble, inc.
Lua i Stíl Chicago (17ú heag.)Sayre, Wallace Stanley. An Outline of American Government. 10th revised ed. New York: Barnes & Noble, inc, 1948.
Lua MLA (9ú heag.)Sayre, Wallace Stanley. An Outline of American Government. 10th revised ed. Barnes & Noble, inc, 1948.
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