Crick, B. R. (1972). In defence of politics. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Crick, Bernard R. In Defence of Politics. Chicago: University of Chicago Press, 1972.
Lua MLA (9ú heag.)Crick, Bernard R. In Defence of Politics. University of Chicago Press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.