Ericksen, R. P. (1985). Theologians under Hitler: Gerhard Kittel, Paul Althaus and Emanuel Hirsch / Robert P. Ericksen. Yale Univ. Press.
Lua i Stíl Chicago (17ú heag.)Ericksen, Robert P. Theologians Under Hitler: Gerhard Kittel, Paul Althaus and Emanuel Hirsch / Robert P. Ericksen. New Haven [u.a.]: Yale Univ. Press, 1985.
Lua MLA (8ú heag.)Ericksen, Robert P. Theologians Under Hitler: Gerhard Kittel, Paul Althaus and Emanuel Hirsch / Robert P. Ericksen. Yale Univ. Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.