Pius, P. C. C. P. (1936). Motion Pictures, Encyclical Letter of His Holiness, Pope Pius XI. Washington, D.C..
Dyfyniad Arddull ChicagoPius, Pope; Catholic Church. Pope. Motion Pictures, Encyclical Letter of His Holiness, Pope Pius XI. Washington, D.C., 1936.
Dyfyniad MLAPius, Pope; Catholic Church. Pope. Motion Pictures, Encyclical Letter of His Holiness, Pope Pius XI. Washington, D.C., 1936.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.