Frison, G. C. (2004). Survival by hunting: Prehistoric human predators and animal prey. University of California Press.
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Chicago Style (17th ed.) Zitazioa
Frison, George C. Survival by Hunting: Prehistoric Human Predators and Animal Prey. Berkeley: University of California Press, 2004.
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MLA (9th ed.) Zitazioa
Frison, George C. Survival by Hunting: Prehistoric Human Predators and Animal Prey. University of California Press, 2004.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.