University of Northumbria & Wressell, P. (2000). Performance measurement in libraries and information services: Proceedings of the 3rd Northumbria International Conference on Performance Measurement in Libraries and Information Services, held at Longhirst Management and Training Centre, Longhirst Hall, Northumberland, England, 27 to 31 August 1999. University of Northumbria.
Παραπομπή σε μορφή Chicago (17η εκδ.)University of Northumbria και Pat Wressell. Performance Measurement in Libraries and Information Services: Proceedings of the 3rd Northumbria International Conference on Performance Measurement in Libraries and Information Services, Held at Longhirst Management and Training Centre, Longhirst Hall, Northumberland, England, 27 to 31 August 1999. Newcastle: University of Northumbria, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)University of Northumbria και Pat Wressell. Performance Measurement in Libraries and Information Services: Proceedings of the 3rd Northumbria International Conference on Performance Measurement in Libraries and Information Services, Held at Longhirst Management and Training Centre, Longhirst Hall, Northumberland, England, 27 to 31 August 1999. University of Northumbria, 2000.
