Ryn, C. G. (1990). Democracy and the ethical life: A philosophy of politics and community (2nd ed., expanded.). Catholic University of America Press.
Lua i Stíl Chicago (17ú heag.)Ryn, Claes G. Democracy and the Ethical Life: A Philosophy of Politics and Community. 2nd ed., expanded. Washington, D.C.: Catholic University of America Press, 1990.
Lua MLA (9ú heag.)Ryn, Claes G. Democracy and the Ethical Life: A Philosophy of Politics and Community. 2nd ed., expanded. Catholic University of America Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.