Dullea, C. W. (1973). A Catholic looks at Billy Graham. Paulist Press.
Lua i Stíl Chicago (17ú heag.)Dullea, Charles W. A Catholic Looks at Billy Graham. New York: Paulist Press, 1973.
Lua MLA (8ú heag.)Dullea, Charles W. A Catholic Looks at Billy Graham. Paulist Press, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.