Hampson, N. (1968). The Enlightenment. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Hampson, Norman. The Enlightenment. Harmondsworth: Penguin Books, 1968.
Lua MLA (9ú heag.)Hampson, Norman. The Enlightenment. Penguin Books, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.