India Office Library and Records. (2002). [British intelligence on China in Tibet, 1903-1950]: Formerly classified British intelligence and policy files. IDC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia Office Library and Records. [British Intelligence on China in Tibet, 1903-1950]: Formerly Classified British Intelligence and Policy Files. Leiden: IDC, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIndia Office Library and Records. [British Intelligence on China in Tibet, 1903-1950]: Formerly Classified British Intelligence and Policy Files. IDC, 2002.
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