Shields, T. E. (1917). Catholic education series. Catholic Education Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShields, Thomas Edward. Catholic Education Series. Washington, D.C.: Catholic Education Press, 1917.
एमएलए (8वां संस्करण) प्रशस्ति पत्रShields, Thomas Edward. Catholic Education Series. Catholic Education Press, 1917.
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