Voorhies. Prehistoric Games of North American Indians. University of Utah Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVoorhies. Prehistoric Games of North American Indians. University of Utah Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVoorhies. Prehistoric Games of North American Indians. University of Utah Press.
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