Gough, A. E. (1975). The philosophy of the Upanishads: Ancient Indian metaphysics. Ess Ess Publications.
Lua i Stíl Chicago (17ú heag.)Gough, Archibald Edward. The Philosophy of the Upanishads: Ancient Indian Metaphysics. Delhi: Ess Ess Publications, 1975.
Lua MLA (8ú heag.)Gough, Archibald Edward. The Philosophy of the Upanishads: Ancient Indian Metaphysics. Ess Ess Publications, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.