Vatican Council Basilica di San Pietro in Vaticano & Catholic Church. Pope (1963-1978 : Paul VI). (1965). The declaration on Christian education. National Catholic Welfare Conference.
Παραπομπή σε μορφή Chicago (17η εκδ.)Vatican Council Basilica di San Pietro in Vaticano και Catholic Church. Pope (1963-1978 : Paul VI). The Declaration on Christian Education. Washington, D.C.: National Catholic Welfare Conference, 1965.
Παραπομπή σε μορφή MLA (8th εκδ.)Vatican Council Basilica di San Pietro in Vaticano και Catholic Church. Pope (1963-1978 : Paul VI). The Declaration on Christian Education. National Catholic Welfare Conference, 1965.
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