International City Management Association, Urban Institute, & Hatry, H. P. (1977). How effective are your community services?: Procedures for monitoring the effectiveness of municipal services. The Urban Institute and the International City Management Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)International City Management Association, Urban Institute, και Harry P. Hatry. How Effective Are Your Community Services?: Procedures for Monitoring the Effectiveness of Municipal Services. Washington, D.C.: The Urban Institute and the International City Management Association, 1977.
Παραπομπή σε μορφή MLA (8th εκδ.)International City Management Association, et al. How Effective Are Your Community Services?: Procedures for Monitoring the Effectiveness of Municipal Services. The Urban Institute and the International City Management Association, 1977.