Schwartz, A. (2005). The third spring: G.K. Chesterton, Graham Greene, Christopher Dawson, and David Jones. Catholic University of America Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchwartz, Adam. The Third Spring: G.K. Chesterton, Graham Greene, Christopher Dawson, and David Jones. Washington, D.C.: Catholic University of America Press, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSchwartz, Adam. The Third Spring: G.K. Chesterton, Graham Greene, Christopher Dawson, and David Jones. Catholic University of America Press, 2005.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.