Stone, D. (2012). Policy paradox: The art of political decision making (Third edition.). W.W. Norton & Co..
Dyfyniad Arddull ChicagoStone, Deborah. Policy Paradox: The Art of Political Decision Making. Third edition. New York: W.W. Norton & Co., 2012.
Dyfyniad MLAStone, Deborah. Policy Paradox: The Art of Political Decision Making. Third edition. W.W. Norton & Co., 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.