Gaya APA

Schoeler, G., Vagelpohl, U. (2010). The Oral and the Written in Early Islam / Gregor Schoeler . New York: Routledge.

Gaya MLA

Schoeler, Gregor., Vagelpohl, Uwe.. "The Oral and the Written in Early Islam / Gregor Schoeler". New York: Routledge, 2010. Buku.