Lincoln, A. (1989). Speeches and Writings 1832 - 1858: Speeches, Letters, and Micellaneous Writings, The Lincoln-Douglas debates. New York, NY: The Library of America.
Trích dẫn kiểu ChicagoLincoln, Abraham. Speeches and Writings 1832 - 1858: Speeches, Letters, and Micellaneous Writings, The Lincoln-Douglas Debates. New York, NY: The Library of America, 1989.
MLA CitationLincoln, Abraham. Speeches and Writings 1832 - 1858: Speeches, Letters, and Micellaneous Writings, The Lincoln-Douglas Debates. New York, NY: The Library of America, 1989.
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