Lua APA (7ú heag.)
Chesterton, G. K. (2003). Twelve types: A collection of mini-biographies. IHS Press.
Lua i Stíl Chicago (17ú heag.)
Chesterton, G. K. Twelve Types: A Collection of Mini-biographies. Norfolk, VA: IHS Press, 2003.
Lua MLA (9ú heag.)
Chesterton, G. K. Twelve Types: A Collection of Mini-biographies. IHS Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.