Muhammad, Y. (2003). Stairway To Heaven. Media Cendikia.
Lua i Stíl Chicago (17ú heag.)Muhammad, Yusuf. Stairway To Heaven. Media Cendikia, 2003.
Lua MLA (8ú heag.)Muhammad, Yusuf. Stairway To Heaven. Media Cendikia, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.