Alhassan, J. A., & Abdulsalam, R. M. (2013). Acquisition and Management of Government Documents in the National Library of Nigeria.
Citazione stile Chigago Style (17a edizione)Alhassan, Jibril Attahiru, e Rafiat Muhammad Abdulsalam. Acquisition and Management of Government Documents in the National Library of Nigeria. 2013.
Citatione MLA (9a ed.)Alhassan, Jibril Attahiru, e Rafiat Muhammad Abdulsalam. Acquisition and Management of Government Documents in the National Library of Nigeria. 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.