APA-referens (7:e uppl.)

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.