Radick, G. Is the theory of natural selection independent of its history?: Gregory Radick. The Cambridge Companion to Darwin.(2006).
Chicago-referens (17:e uppl.)Radick, Gregory. "Is the Theory of Natural Selection Independent of Its History?: Gregory Radick." The Cambridge Companion to Darwin.(2006) .
MLA-referens (8:e uppl.)Radick, Gregory. "Is the Theory of Natural Selection Independent of Its History?: Gregory Radick." The Cambridge Companion to Darwin.(2006), .
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.