International Paul Tillich Conference 1993, New Harmony, Ind., & Parrella, F. J. (1995). Paul Tillich's theological legacy: Spirit and community ; International Paul Tillich Conference, New Harmony, 17 - 20 June 1993. Theologische Bibliothek Töpelmann.
Citazione stile Chigago Style (17a edizione)International Paul Tillich Conference 1993, New Harmony, Ind., e Frederick J. Parrella. "Paul Tillich's Theological Legacy: Spirit and Community ; International Paul Tillich Conference, New Harmony, 17 - 20 June 1993." Theologische Bibliothek Töpelmann 1995.
Citatione MLA (8a ed.)International Paul Tillich Conference 1993, New Harmony, Ind., e Frederick J. Parrella. "Paul Tillich's Theological Legacy: Spirit and Community ; International Paul Tillich Conference, New Harmony, 17 - 20 June 1993." Theologische Bibliothek Töpelmann, 1995.