Confraternity of Christian Doctrine. (1941). Suggestions for the apostolate to non-Catholics. National Center of the Confraternity of Christian Doctrine.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रConfraternity of Christian Doctrine. Suggestions for the Apostolate to Non-Catholics. Washington, D.C.: National Center of the Confraternity of Christian Doctrine, 1941.
एमएलए (8वां संस्करण) प्रशस्ति पत्रConfraternity of Christian Doctrine. Suggestions for the Apostolate to Non-Catholics. National Center of the Confraternity of Christian Doctrine, 1941.
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