APA-ийн эшлэл(7 дахь хэвлэлт)

C.O, O., & K.O, J. (2013). Subject Catalogue Use at the Hezekiah Oluwasanmi Library, Obafemi Awolowo University, Ile-Ife, Nigeria.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

C.O, Ojo-Ade, ба Jagboro K.O. Subject Catalogue Use at the Hezekiah Oluwasanmi Library, Obafemi Awolowo University, Ile-Ife, Nigeria. 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

C.O, Ojo-Ade, ба Jagboro K.O. Subject Catalogue Use at the Hezekiah Oluwasanmi Library, Obafemi Awolowo University, Ile-Ife, Nigeria. 2013.