IFLA Committee on Cataloguing, IFLA International Office for UBC., IFLA International Programme for UBC., IFLA UBCIM Programme (1987).
اطلع عليه بتاريخ 23 فبراير 2015.  IFLA Committee on Cataloguing, IFLA International Office for UBC., IFLA International Programme for UBC., IFLA UBCIM Programme (1987).