Sykes, B. (1999). The Human inheritance: Genes, language, and evolution. Oxford University Press.
Chicago Style aipamenaSykes, Bryan. The Human Inheritance: Genes, Language, and Evolution. Oxford, Eng: Oxford University Press, 1999.
MLA aipamenaSykes, Bryan. The Human Inheritance: Genes, Language, and Evolution. Oxford University Press, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.