(en) Paul A. Thomas, Inside Wikipedia: How It Works and How You Can Be an Editor, Rowman & Littlefield, (ISBN978-1-5381-6321-4, lire en ligne)
(en) Andrew Lih, The Wikipedia Revolution: how a bunch of nobodies created the world's greatest encyclopedia, Aurum Press, (ISBN978-1-84513-473-0, lire en ligne), p. 79
(en) Andrew Lih, The Wikipedia Revolution: how a bunch of nobodies created the world's greatest encyclopedia, Aurum Press, (ISBN978-1-84513-473-0, lire en ligne), p. 136