Cita APA (7th ed.)

Dreßler, M., & Klinkhammer, G. (2003). Islam. Cornelsen Scriptor Verlag+.

Cita Chicago (17th ed.)

Dreßler, Markus, i Gritt Klinkhammer. Islam. Berlin: Cornelsen Scriptor Verlag+, 2003.

Cita MLA (8th ed.)

Dreßler, Markus, i Gritt Klinkhammer. Islam. Cornelsen Scriptor Verlag+, 2003.