Wills, G. (1992). Lincoln at Gettysburg: The words that remade America. Simon & Schuster.
Lua i Stíl Chicago (17ú heag.)Wills, Garry. Lincoln at Gettysburg: The Words That Remade America. New York: Simon & Schuster, 1992.
Lua MLA (8ú heag.)Wills, Garry. Lincoln at Gettysburg: The Words That Remade America. Simon & Schuster, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.