Dullea, C. W. (1971). W.F. "Billy" Graham's "Decision for Christ": A study in conversion. Pontificia Universitas Gregoriana. Facultas Theologiae.
Cita Chicago Style (17a ed.)Dullea, Charles W. W.F. "Billy" Graham's "Decision for Christ": A Study in Conversion. Roma: Pontificia Universitas Gregoriana. Facultas Theologiae, 1971.
Cita MLA (9a ed.)Dullea, Charles W. W.F. "Billy" Graham's "Decision for Christ": A Study in Conversion. Pontificia Universitas Gregoriana. Facultas Theologiae, 1971.
Precaución: Estas citas no son 100% exactas.