Richardson, J. D. A Compilation of the Messages and Papers of the Presidents. Volume 6, part 2: Andrew Johnson.
Lua i Stíl Chicago (17ú heag.)Richardson, James D. A Compilation of the Messages and Papers of the Presidents. Volume 6, Part 2: Andrew Johnson.
Lua MLA (9ú heag.)Richardson, James D. A Compilation of the Messages and Papers of the Presidents. Volume 6, Part 2: Andrew Johnson.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.