Dawkins, R. (1989). Extended phenotype: The long reach of the Gene. Oxford University.
Dyfyniad Arddull ChicagoDawkins, Richard. Extended Phenotype: The Long Reach of the Gene. Oxford: Oxford University, 1989.
Dyfyniad MLADawkins, Richard. Extended Phenotype: The Long Reach of the Gene. Oxford University, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.