Caleb Project & Swartley, K. E. (2005). Encountering the world of Islam. Authentic Media.
Lua i Stíl Chicago (17ú heag.)Caleb Project agus Keith E. Swartley. Encountering the World of Islam. Waynesboro, Georgia: Authentic Media, 2005.
Lua MLA (9ú heag.)Caleb Project agus Keith E. Swartley. Encountering the World of Islam. Authentic Media, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.