APA-referens (7:e uppl.)

Hume, R. (1931). The thirteen principal upanishads (2nd rev.). O.U.P.

Chicago-referens (17:e uppl.)

Hume, Robert. The Thirteen Principal Upanishads. 2nd rev. Madras: O.U.P, 1931.

MLA-referens (9:e uppl.)

Hume, Robert. The Thirteen Principal Upanishads. 2nd rev. O.U.P, 1931.