APA-referens (7:e uppl.)
Okeke, S. (1967). Priesterhood among the Igbos of Nigeria studied in the light of the catholic priesterhood.
Chicago-referens (17:e uppl.)
Okeke, Simon. Priesterhood Among the Igbos of Nigeria Studied in the Light of the Catholic Priesterhood. Innsbruck, 1967.
MLA-referens (9:e uppl.)
Okeke, Simon. Priesterhood Among the Igbos of Nigeria Studied in the Light of the Catholic Priesterhood. 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.