Archdiocese of Philadelphia, O. o. t. S. o. S. Report to the Community: Catholic Secondary Education in the Archdiocese of Philadelphia. Philadelphia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArchdiocese of Philadelphia, Office of the Superintendent of Schools. Report to the Community: Catholic Secondary Education in the Archdiocese of Philadelphia. Philadelphia.
एमएलए (8वां संस्करण) प्रशस्ति पत्रArchdiocese of Philadelphia, Office of the Superintendent of Schools. Report to the Community: Catholic Secondary Education in the Archdiocese of Philadelphia. Philadelphia.
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