Samuels, R. (2013). Why public higher education should be free: How to decrease costs and increase quality at American universities. Rutgers University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSamuels, Robert. Why Public Higher Education Should Be Free: How to Decrease Costs and Increase Quality at American Universities. New Brunswick, New Jersey: Rutgers University Press, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSamuels, Robert. Why Public Higher Education Should Be Free: How to Decrease Costs and Increase Quality at American Universities. Rutgers University Press, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.