Williams - Osula, K. (2013). A Computerized System for Managing Overdue Books in University Libraries. Nigerian Library Association.
Chicago-referens (17:e uppl.)Williams - Osula, K.O. A Computerized System for Managing Overdue Books in University Libraries. Nigerian Library Association, 2013.
MLA-referens (9:e uppl.)Williams - Osula, K.O. A Computerized System for Managing Overdue Books in University Libraries. Nigerian Library Association, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.