প্ৰস্তৰ যুগ: বিভিন্ন সংশোধনসমূহৰ মাজৰ পাৰ্থক্য

* {{Cite book | ref=harv | first=John J. | last=Shea | contribution=Stone Age Visiting Cards Revisited: a Strategic Perspective on the Lithic Technology of Early Hominin Dispersal | pages=47–64 | editor-first=John G. | editor-last=Fleagle | editor2-first=John J. | editor2-last=Shea | editor3-first=Frederick E. | editor3-last=Grine | editor4-first=Andrea L. | editor4-last=Boden | editor5-first=Richard E, | editor5-last=Leakey | title=Out of Africa I: the First Hominin Colonization of Eurasia | year=2010 | location=Dordrecht; Heidelberg; London; New York | publisher=Springer}}

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