Dyfyniad APA
Tillich, P., & Gomes, P. J. (2000). The courage to be (2nd ed.). Yale University Press.
Dyfyniad Arddull Chicago
Tillich, Paul, and Peter J. Gomes. The Courage to Be. 2nd ed. New Haven: Yale University Press, 2000.
Dyfyniad MLA
Tillich, Paul, and Peter J. Gomes. The Courage to Be. 2nd ed. Yale University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.