Diederich, A. F. (1957). A history of accreditation, certification, and teacher training in Catholic institutions of higher learning in California.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিDiederich, Alphonsus Francis. A History of Accreditation, Certification, and Teacher Training in Catholic Institutions of Higher Learning in California. 1957.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিDiederich, Alphonsus Francis. A History of Accreditation, Certification, and Teacher Training in Catholic Institutions of Higher Learning in California. 1957.
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