Haines, F. (1938). Where did the plains Indians get their horses?
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHaines, Francis. Where Did the Plains Indians Get Their Horses? n.p, 1938.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHaines, Francis. Where Did the Plains Indians Get Their Horses? 1938.
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