Johnson. Chipped Stone Technological Organization. University of Utah Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnson. Chipped Stone Technological Organization. University of Utah Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJohnson. Chipped Stone Technological Organization. University of Utah Press.
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