Balasubramaniam, S. (1991). Patterns of non-formal education at the university level in India, U.K., U.S.A. and U.S.S.R. Uppal Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBalasubramaniam, Saraswathi. Patterns of Non-formal Education at the University Level in India, U.K., U.S.A. and U.S.S.R. Uppal Pub, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBalasubramaniam, Saraswathi. Patterns of Non-formal Education at the University Level in India, U.K., U.S.A. and U.S.S.R. Uppal Pub, 1991.
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