Watt, W. (1964). Mohammad-prophet & statesman. O.U.P.
Lua i Stíl Chicago (17ú heag.)Watt, W. Mohammad-prophet & Statesman. London: O.U.P, 1964.
Lua MLA (9ú heag.)Watt, W. Mohammad-prophet & Statesman. O.U.P, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.