Norbertine Father. (1920). Saint Norbert and his order. s.n..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNorbertine Father. Saint Norbert and His Order. [s.l.: s.n., 1920.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNorbertine Father. Saint Norbert and His Order. s.n., 1920.
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