Bettinger, R. L. (2016). Prehistoric hunter–gatherer population growth rates rival those of agriculturalists. Proc Natl Acad Sci U S A.
शिकागो स्टाइल उद्धरणBettinger, Robert L. "Prehistoric Hunter–gatherer Population Growth Rates Rival Those of Agriculturalists." Proc Natl Acad Sci U S A 2016.
एमएलए उद्धरणBettinger, Robert L. "Prehistoric Hunter–gatherer Population Growth Rates Rival Those of Agriculturalists." Proc Natl Acad Sci U S A 2016.
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