Hume, R. (1931). The thirteen principal upanishads (2nd rev.). O.U.P.
芝加哥风格引文Hume, Robert. The Thirteen Principal Upanishads. 2nd rev. Madras: O.U.P, 1931.
MLA引文Hume, Robert. The Thirteen Principal Upanishads. 2nd rev. O.U.P, 1931.
警告：这些引文格式不一定是100％准确.