Diwakar, R. (1988). Mahayogi Sri Aurobindo (7.). Bhartiya Vidya Bhavan.
Chicago-čujuhus (17. p.)Diwakar, Ranganath. Mahayogi Sri Aurobindo. 7. Bombay: Bhartiya Vidya Bhavan, 1988.
MLA-čujuhus (9. p.)Diwakar, Ranganath. Mahayogi Sri Aurobindo. 7. Bhartiya Vidya Bhavan, 1988.
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