Dawkins, R. (1999). The extended phenotype: The long reach of the gene. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Dawkins, Richard. The Extended Phenotype: The Long Reach of the Gene. New York: Oxford University Press, 1999.
Lua MLA (9ú heag.)Dawkins, Richard. The Extended Phenotype: The Long Reach of the Gene. Oxford University Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.