Chinmayananda, S. (2004). Secret of action. Central chinmaya mission trust.
Chicago-čujuhus (17. p.)Chinmayananda, Swami. Secret of Action. Bombay: Central chinmaya mission trust, 2004.
MLA-čujuhus (9. p.)Chinmayananda, Swami. Secret of Action. Central chinmaya mission trust, 2004.
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