Śaṅkarācārya, S., Ānandagiri, A., Śaṅkarānanda, S., Röer, E., Mitra, R., & Cowell, E. B. (2000). The twelve principal Upaniṣads : text in Devanāgari ; and translation with notes in English from the commentaries of Śaṅkarācārya, and the gloss of Ānandagiri. New Delhi: D.K. Printworld(P) Ltd.