APA (7 ম সংস্করণ) উদ্ধৃতি

Egbule Onwuli, C. (1985). Catechetical education of the youth in the new Code of Canon Law. Pontificia Universitas Urbaniana, Facultas Juris Canonici.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Egbule Onwuli, Cyprian. Catechetical Education of the Youth in the New Code of Canon Law. Romae: Pontificia Universitas Urbaniana, Facultas Juris Canonici, 1985.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Egbule Onwuli, Cyprian. Catechetical Education of the Youth in the New Code of Canon Law. Pontificia Universitas Urbaniana, Facultas Juris Canonici, 1985.