Feder, K. L. (2004). The past in perspective: An introduction to human prehistory (3rd ed.). McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFeder, Kenneth L. The Past in Perspective: An Introduction to Human Prehistory. 3rd ed. Boston: McGraw-Hill, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFeder, Kenneth L. The Past in Perspective: An Introduction to Human Prehistory. 3rd ed. McGraw-Hill, 2004.
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