Fuchs, G., Zemter, W., & Mon, F. (2003). Hermann Bartels. Kettler.
Cita Chicago (17th ed.)Fuchs, Günter, Wolfgang Zemter, i Franz Mon. Hermann Bartels. Bönen: Kettler, 2003.
Cita MLA (8th ed.)Fuchs, Günter, et al. Hermann Bartels. Kettler, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.