Ojo-Igbinoba, M. E. (1991). Conservation, Preservation and Restoration in Nigerian Libraries.
Citazione stile Chigago Style (17a edizione)Ojo-Igbinoba, M. E. Conservation, Preservation and Restoration in Nigerian Libraries. 1991.
Citatione MLA (9a ed.)Ojo-Igbinoba, M. E. Conservation, Preservation and Restoration in Nigerian Libraries. 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.