Brubacher, J. S. (1947). A history of the problems of education: By John S. Brubacher. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrubacher, John S. A History of the Problems of Education: By John S. Brubacher. New York [u.a.]: McGraw-Hill, 1947.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrubacher, John S. A History of the Problems of Education: By John S. Brubacher. McGraw-Hill, 1947.
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