Ringen, S. (1987). The possibility of politics : a study in: The political economy of the welfare state. Clarendon Pr..
Chicago Style (17. basım) AtıfRingen, Stein. The Possibility of Politics : A Study in: The Political Economy of the Welfare State. Oxford: Clarendon Pr., 1987.
MLA (9th ed.) AtıfRingen, Stein. The Possibility of Politics : A Study in: The Political Economy of the Welfare State. Clarendon Pr., 1987.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..