Dawkins, R. (1999). The extended phenotype: The long reach of the gene. Oxford University Press.
Dyfyniad Arddull ChicagoDawkins, Richard. The Extended Phenotype: The Long Reach of the Gene. New York: Oxford University Press, 1999.
Dyfyniad MLADawkins, Richard. The Extended Phenotype: The Long Reach of the Gene. Oxford University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.