Egbule Onwuli, C. (1985). Catechetical education of the youth in the new Code of Canon Law. Pontificia Universitas Urbaniana, Facultas Juris Canonici.
Παραπομπή σε μορφή Chicago (17η εκδ.)Egbule Onwuli, Cyprian. Catechetical Education of the Youth in the New Code of Canon Law. Romae: Pontificia Universitas Urbaniana, Facultas Juris Canonici, 1985.
Παραπομπή σε μορφή MLA (8th εκδ.)Egbule Onwuli, Cyprian. Catechetical Education of the Youth in the New Code of Canon Law. Pontificia Universitas Urbaniana, Facultas Juris Canonici, 1985.
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