APA-ийн эшлэл(7 дахь хэвлэлт)

Ringen, S. (1987). The possibility of politics : a study in: The political economy of the welfare state. Clarendon Pr..

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ringen, Stein. The Possibility of Politics : A Study in: The Political Economy of the Welfare State. Oxford: Clarendon Pr., 1987.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ringen, Stein. The Possibility of Politics : A Study in: The Political Economy of the Welfare State. Clarendon Pr., 1987.