Zeller, D. (2002). Christentum. Kohlhammer.
Cita Chicago (17th ed.)Zeller, Dieter. Christentum. Stuttgart: Kohlhammer, 2002.
Cita MLA (8th ed.)Zeller, Dieter. Christentum. Kohlhammer, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)