(2021). Catholic Resources in Digital Form. Catholic Research Resources Alliance.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCatholic Resources in Digital Form. Catholic Research Resources Alliance, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCatholic Resources in Digital Form. Catholic Research Resources Alliance, 2021.
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