M, V. Early Catholic Secondary Education in Philadelphia. Philadelphia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रM, V. Early Catholic Secondary Education in Philadelphia. Philadelphia.
एमएलए (8वां संस्करण) प्रशस्ति पत्रM, V. Early Catholic Secondary Education in Philadelphia. Philadelphia.
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