Sadava, D. E. (2008). Life, the science of biology (8th ed.). Sinauer Associates W.H. Freeman and Co.
Chicago-viite (17. p.)Sadava, David E. Life, the Science of Biology. 8th ed. Sunderland, MA, Gordonsville, VA: Sinauer Associates W.H. Freeman and Co, 2008.
MLA-viite (9. p.)Sadava, David E. Life, the Science of Biology. 8th ed. Sinauer Associates W.H. Freeman and Co, 2008.
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