Sadava, D. E. (2008). Life, the science of biology (8th instructor's edition.). Sinauer Associates W.H. Freeman and Co.
Chicago-referens (17:e uppl.)Sadava, David E. Life, the Science of Biology. 8th instructor's edition. Sunderland, MA, Gordonsville, VA: Sinauer Associates W.H. Freeman and Co, 2008.
MLA-referens (9:e uppl.)Sadava, David E. Life, the Science of Biology. 8th instructor's edition. Sinauer Associates W.H. Freeman and Co, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.