Douglas, W. O. (1952). Beyond the high Himalayas. New York: Doubleday and company.
Trích dẫn kiểu ChicagoDouglas, William O. Beyond the High Himalayas. New York: Doubleday and company, 1952.
Deismireacht MLADouglas, William O. Beyond the High Himalayas. New York: Doubleday and company, 1952.
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