Hagestedt, L., & Lang, C. L. (2017). Kipper - Klieneberger-Nobel. De Gruyter.
Cita Chicago (17th ed.)Hagestedt, Lutz, i Carl Ludwig Lang. Kipper - Klieneberger-Nobel. Berlin [u.a.]: De Gruyter, 2017.
Cita MLA (8th ed.)Hagestedt, Lutz, i Carl Ludwig Lang. Kipper - Klieneberger-Nobel. De Gruyter, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.