Purohit, S., & Yeats, W. B. (1937). The ten principal Upanishads. Faber and Faber.
Cita Chicago (17th ed.)Purohit, Swami, i W. B. Yeats. The Ten Principal Upanishads. London: Faber and Faber, 1937.
Cita MLA (9th ed.)Purohit, Swami, i W. B. Yeats. The Ten Principal Upanishads. Faber and Faber, 1937.
Atenció: Aquestes cites poden no estar 100% correctes.