Sommer, A. U. (2020). Franz Overbeck: On the theory and practice of an antifundamentalist and antichristian humanism. Universidad Pedagógica y Tecnológica de Colombia.
Lua i Stíl Chicago (17ú heag.)Sommer, Andreas Urs. Franz Overbeck: On the Theory and Practice of an Antifundamentalist and Antichristian Humanism. Universidad Pedagógica y Tecnológica de Colombia, 2020.
Lua MLA (9ú heag.)Sommer, Andreas Urs. Franz Overbeck: On the Theory and Practice of an Antifundamentalist and Antichristian Humanism. Universidad Pedagógica y Tecnológica de Colombia, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
