Cropsey, J. (1977). Political philosophy and the issues of politics. University of Chicago Press.
शिकागो स्टाइल उद्धरणCropsey, Joseph. Political Philosophy and the Issues of Politics. University of Chicago Press, 1977.
एमएलए उद्धरणCropsey, Joseph. Political Philosophy and the Issues of Politics. University of Chicago Press, 1977.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.