Pius, P. C. C. P. (1937). The church in Germany, encyclical letter of His Holiness, Pope Pius XI (Vatican Press translation) issued March 14, 1937. Washington, D.C..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPius, Pope; Catholic Church. Pope. The Church in Germany, Encyclical Letter of His Holiness, Pope Pius XI (Vatican Press Translation) Issued March 14, 1937. Washington, D.C., 1937.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPius, Pope; Catholic Church. Pope. The Church in Germany, Encyclical Letter of His Holiness, Pope Pius XI (Vatican Press Translation) Issued March 14, 1937. Washington, D.C., 1937.
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