APA aipamena

Cropsey, J. (1977). Political philosophy and the issues of politics. University of Chicago Press.

Chicago Style aipamena

Cropsey, Joseph. Political Philosophy and the Issues of Politics. University of Chicago Press, 1977.

MLA aipamena

Cropsey, Joseph. Political Philosophy and the Issues of Politics. University of Chicago Press, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.