Lua APA (7ú heag.)
Clayton, J. P. (1980). The concept of correlation: Paul Tillich and the possibility of a mediating theology. W. de Gruyter.
Lua i Stíl Chicago (17ú heag.)
Clayton, John Powell. The Concept of Correlation: Paul Tillich and the Possibility of a Mediating Theology. Berlin ; New York: W. de Gruyter, 1980.
Lua MLA (9ú heag.)
Clayton, John Powell. The Concept of Correlation: Paul Tillich and the Possibility of a Mediating Theology. W. de Gruyter, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.