Tillich, P. (1948). The shaking of the foundations. C. Scribner's Sons.
Lua i Stíl Chicago (17ú heag.)Tillich, Paul. The Shaking of the Foundations. New York: C. Scribner's Sons, 1948.
Lua MLA (8ú heag.)Tillich, Paul. The Shaking of the Foundations. C. Scribner's Sons, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.