3E. Rogers, J. Dearing, "Agenda-Settlng Research: Where Has It Been, Where Is It Going?", Communication Yearbook, III 1988, p.555.
4Thomas I. Miller, Miehelle Miller Kobayashi, Citizen Surveys: How to do them, How to use them, What they mean (second edition), Washington, D.C.: International City / Country Management Association, 2000.
