International Paul Tillich Symposium Frankfurt am Main, Germany, ebrary, Inc, Hummel, G., & Lax, D. (1999). Being versus word in Paul Tillich's theology?: Proceedings of the VII. International Paul-Tillich-Symposium held in Frankfurt/Main, 1998. William de Gruyter.
Cytowanie według stylu Chicago (wyd. 17)International Paul Tillich Symposium Frankfurt am Main, Germany, Inc ebrary, Gert Hummel, i Doris Lax. Being Versus Word in Paul Tillich's Theology?: Proceedings of the VII. International Paul-Tillich-Symposium Held in Frankfurt/Main, 1998. Berlin ; New York: William de Gruyter, 1999.
Cytowanie według stylu MLA (wyd. 9)International Paul Tillich Symposium Frankfurt am Main, Germany, et al. Being Versus Word in Paul Tillich's Theology?: Proceedings of the VII. International Paul-Tillich-Symposium Held in Frankfurt/Main, 1998. William de Gruyter, 1999.