Vickers, G. (1995). The art of judgment: A study of policy making (centenary ed.). Sage Publications.
Chicago Style (17. basım) AtıfVickers, Geoffrey. The Art of Judgment: A Study of Policy Making. centenary ed. Thousand Oaks, California: Sage Publications, 1995.
MLA (9th ed.) AtıfVickers, Geoffrey. The Art of Judgment: A Study of Policy Making. centenary ed. Sage Publications, 1995.
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