Smith, B. D. (1998). The emergence of agriculture. Scientific American Library : Distributed by W.H. Freeman.
Chicago-viite (17. p.)Smith, Bruce D. The Emergence of Agriculture. New York: Scientific American Library : Distributed by W.H. Freeman, 1998.
MLA-viite (9. p.)Smith, Bruce D. The Emergence of Agriculture. Scientific American Library : Distributed by W.H. Freeman, 1998.
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