Umar, B. (1974). Iswar Chandra Vidyasagan O Unish Sataker Bangali Samaj. Mowla Brother.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUmar, Badruddin. Iswar Chandra Vidyasagan O Unish Sataker Bangali Samaj. Mowla Brother, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUmar, Badruddin. Iswar Chandra Vidyasagan O Unish Sataker Bangali Samaj. Mowla Brother, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.