Lincoln, A., Douglas, S. A., & Putnam, G. H. (1912). The political debates between Abraham Lincoln and Stephen A. Douglas in the senatorial campaign of 1858 in Illinois: Together with certain preceding speeches of each at Chicago, Springfield, etc. G.P. Putnam's Sons.
Παραπομπή σε μορφή Chicago (17η εκδ.)Lincoln, Abraham, Stephen A. Douglas, και George Haven Putnam. The Political Debates Between Abraham Lincoln and Stephen A. Douglas in the Senatorial Campaign of 1858 in Illinois: Together with Certain Preceding Speeches of Each at Chicago, Springfield, Etc. New York: G.P. Putnam's Sons, 1912.
Παραπομπή σε μορφή MLA (8th εκδ.)Lincoln, Abraham, et al. The Political Debates Between Abraham Lincoln and Stephen A. Douglas in the Senatorial Campaign of 1858 in Illinois: Together with Certain Preceding Speeches of Each at Chicago, Springfield, Etc. G.P. Putnam's Sons, 1912.