Mittermülller, R., & Dympna, S. (1928). Life and work of the Right Reverend George Michael Wittmann, Bishop of Ratisbon. Bruce.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMittermülller, Rupert, और Sister Dympna. Life and Work of the Right Reverend George Michael Wittmann, Bishop of Ratisbon. Milwaukee, Wis.: Bruce, 1928.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMittermülller, Rupert, और Sister Dympna. Life and Work of the Right Reverend George Michael Wittmann, Bishop of Ratisbon. Bruce, 1928.
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