Melchert, C. (2008). Ahmad Ibn Hanbal's Book of Renunciation.
Lua i Stíl Chicago (17ú heag.)Melchert, C. Ahmad Ibn Hanbal's Book of Renunciation. 2008.
Lua MLA (9ú heag.)Melchert, C. Ahmad Ibn Hanbal's Book of Renunciation. 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.