Scott, M. J. (1950). Catholicism: Preserver of Christianity. America Press.
Dyfyniad Arddull ChicagoScott, Martin J. Catholicism: Preserver of Christianity. New York: America Press, 1950.
Dyfyniad MLAScott, Martin J. Catholicism: Preserver of Christianity. America Press, 1950.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.