Singh, P., & Puran, S. (1989). Problem of education among scheduled castes: Puran Singh. Mittal Pubs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, Puran, और Singh Puran. Problem of Education Among Scheduled Castes: Puran Singh. Mittal Pubs, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh, Puran, और Singh Puran. Problem of Education Among Scheduled Castes: Puran Singh. Mittal Pubs, 1989.
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