Balbir Singh. (1983). The philosophy of Upanishads. Arnold-Heinemann.
Chicago Style (17. basım) AtıfBalbir Singh. The Philosophy of Upanishads. New Delhi: Arnold-Heinemann, 1983.
MLA (8th ed.) AtıfBalbir Singh. The Philosophy of Upanishads. Arnold-Heinemann, 1983.
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