Diederich, A. F. (1957). A history of accreditation, certification, and teacher training in Catholic institutions of higher learning in California.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDiederich, Alphonsus Francis. A History of Accreditation, Certification, and Teacher Training in Catholic Institutions of Higher Learning in California. 1957.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDiederich, Alphonsus Francis. A History of Accreditation, Certification, and Teacher Training in Catholic Institutions of Higher Learning in California. 1957.
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