Lua APA (7ú heag.)
OPARA, V. U. (1911). The Institution of Family in Nigeria: With particular reference to Igboland. Pontificia Università Lateranense (PUL).
Lua i Stíl Chicago (17ú heag.)
OPARA, Vincentia Uchechi. The Institution of Family in Nigeria: With Particular Reference to Igboland. Roma: Pontificia Università Lateranense (PUL), 1911.
Lua MLA (9ú heag.)
OPARA, Vincentia Uchechi. The Institution of Family in Nigeria: With Particular Reference to Igboland. Pontificia Università Lateranense (PUL), 1911.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.