Levko, J. J. (2000). Cassian's prayer for the 21st century. University of Scranton Press ; University of Toronto Press [distributor].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevko, John J. Cassian's Prayer for the 21st Century. Scranton : Tonawanda, NY: University of Scranton Press ; University of Toronto Press [distributor], 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevko, John J. Cassian's Prayer for the 21st Century. University of Scranton Press ; University of Toronto Press [distributor], 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.