Gerken, J. D. (1963). Toward a theology of the layman. Herder and Herder.
Lua i Stíl Chicago (17ú heag.)Gerken, John D. Toward a Theology of the Layman. [New York]: Herder and Herder, 1963.
Lua MLA (8ú heag.)Gerken, John D. Toward a Theology of the Layman. Herder and Herder, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.