Lua APA (7ú heag.)
Bravmann, M. M., & Rippin, A. (2009). The spiritual background of early Islam: Studies in ancient Arab concepts. Brill.
Lua i Stíl Chicago (17ú heag.)
Bravmann, M. M., agus Andrew Rippin. The Spiritual Background of Early Islam: Studies in Ancient Arab Concepts. Leiden ; Boston: Brill, 2009.
Lua MLA (9ú heag.)
Bravmann, M. M., agus Andrew Rippin. The Spiritual Background of Early Islam: Studies in Ancient Arab Concepts. Brill, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.