Lincoln, A. (1989). Speeches and Writings 1832 - 1858: Speeches, Letters, and Micellaneous Writings, The Lincoln-Douglas debates. New York, NY: The Library of America.
Dyfyniad Arddull ChicagoLincoln, Abraham. Speeches and Writings 1832 - 1858: Speeches, Letters, and Micellaneous Writings, The Lincoln-Douglas Debates. New York, NY: The Library of America, 1989.
Dyfyniad MLALincoln, Abraham. Speeches and Writings 1832 - 1858: Speeches, Letters, and Micellaneous Writings, The Lincoln-Douglas Debates. New York, NY: The Library of America, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.