APA (7 ম সংস্করণ) উদ্ধৃতি

Williams - Osula, K. (2013). A Computerized System for Managing Overdue Books in University Libraries. Nigerian Library Association.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Williams - Osula, K.O. A Computerized System for Managing Overdue Books in University Libraries. Nigerian Library Association, 2013.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Williams - Osula, K.O. A Computerized System for Managing Overdue Books in University Libraries. Nigerian Library Association, 2013.