Pius XII, P. (1958). Applied psychology. National Catholic Welfare Conference.
Chicago (17e ed.) BronvermeldingPius XII, Pope. Applied Psychology. Washington, D.C.: National Catholic Welfare Conference, 1958.
MLA (8e ed.) BronvermeldingPius XII, Pope. Applied Psychology. National Catholic Welfare Conference, 1958.
Let op: Deze citaties zijn niet altijd 100% accuraat.