Collins, P. M. (2010). A twentieth-century collision: American intellectual culture and Pope John Paul II's idea of a university. University Press of America.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollins, Peter M. A Twentieth-century Collision: American Intellectual Culture and Pope John Paul II's Idea of a University. Lanham, Md: University Press of America, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCollins, Peter M. A Twentieth-century Collision: American Intellectual Culture and Pope John Paul II's Idea of a University. University Press of America, 2010.
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