APA (7 वां संस्करण) प्रशस्ति पत्र
Nwaigwe, P. C. (2013). Canonical marriage preparation in the Igbo tradition in the light of Canon 1063 of the 1983 Code of Canon Law: Canonical norms and inculturation. Peter Lang GmbH.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Nwaigwe, Paulinus Chibuike. Canonical Marriage Preparation in the Igbo Tradition in the Light of Canon 1063 of the 1983 Code of Canon Law: Canonical Norms and Inculturation. Frankfurt am Main, Germany: Peter Lang GmbH, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Nwaigwe, Paulinus Chibuike. Canonical Marriage Preparation in the Igbo Tradition in the Light of Canon 1063 of the 1983 Code of Canon Law: Canonical Norms and Inculturation. Peter Lang GmbH, 2013.
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