RUTHVEN, M. (1985). Islam in the world. Pinguin Book.
Lua i Stíl Chicago (17ú heag.)RUTHVEN, Malise. Islam in the World. Victoria: Pinguin Book, 1985.
Lua MLA (9ú heag.)RUTHVEN, Malise. Islam in the World. Pinguin Book, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.