Gaya APA

Osom, J, M. (1989). The necessity for marriage preparation and the moral implication of high bride-price in Annang Tribe in Nigeria. Dissertatio ad Doctoral . Roma: Academia Alfonsiana.

Gaya MLA

Osom, John,, M.S.P.. "The necessity for marriage preparation and the moral implication of high bride-price in Annang Tribe in Nigeria. Dissertatio ad Doctoral ". Roma: Academia Alfonsiana, 1989. Buku.