Waller, J. D. (1976). Monitoring for government agencies. Urban Institute.
Čikaški stil citiranja (17. izdanje)Waller, John D. Monitoring for Government Agencies. Washington, D.C.: Urban Institute, 1976.
MLA način citiranja (8. izdanje)Waller, John D. Monitoring for Government Agencies. Urban Institute, 1976.
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