Schaeffler, R. (1983). Religionsphilosophie: Richard Schaeffler. Alber.
Cita Chicago (17th ed.)Schaeffler, Richard. Religionsphilosophie: Richard Schaeffler. Freiburg ; München: Alber, 1983.
Cita MLA (8th ed.)Schaeffler, Richard. Religionsphilosophie: Richard Schaeffler. Alber, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.