توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Okunlola, A. A. (2013). Controlled Vocabulary and Authority Records for the Management of Bibliographic Data in the New Nigerian Library Environment: Marc 21 Standards.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Okunlola, Abiola Amos. Controlled Vocabulary and Authority Records for the Management of Bibliographic Data in the New Nigerian Library Environment: Marc 21 Standards. 2013.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Okunlola, Abiola Amos. Controlled Vocabulary and Authority Records for the Management of Bibliographic Data in the New Nigerian Library Environment: Marc 21 Standards. 2013.