Lang, H. J. (1946). The Wit and Wisdom of Abraham Lincoln as Reflected in His Briefer Letters and Speeches (5. Aufl.). The World Publishing Company.
Chicago-referens (17:e uppl.)Lang, H. Jack. The Wit and Wisdom of Abraham Lincoln as Reflected in His Briefer Letters and Speeches. 5. Aufl. Cleveland;New York: The World Publishing Company, 1946.
MLA-referens (8:e uppl.)Lang, H. Jack. The Wit and Wisdom of Abraham Lincoln as Reflected in His Briefer Letters and Speeches. 5. Aufl. The World Publishing Company, 1946.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.