Coleman. The Life of Reason or The Phases of Human Progress. The MIT Press.
Lua i Stíl Chicago (17ú heag.)Coleman. The Life of Reason or The Phases of Human Progress. The MIT Press.
Lua MLA (9ú heag.)Coleman. The Life of Reason or The Phases of Human Progress. The MIT Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.