Columbia University. Teachers College. Teachers College record. Blackwell Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColumbia University. Teachers College. Teachers College Record. [Oxford]: Blackwell Pub.
एमएलए (9वां संस्करण) प्रशस्ति पत्रColumbia University. Teachers College. Teachers College Record. Blackwell Pub.
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