Beierwaltes, W. (1981). Regio beatitudinis: Augustine's concept of happiness. Villanova University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeierwaltes, Werner. Regio Beatitudinis: Augustine's Concept of Happiness. [Villanova, Pa.]: Villanova University Press, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBeierwaltes, Werner. Regio Beatitudinis: Augustine's Concept of Happiness. Villanova University Press, 1981.
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