Dyfyniad APA

Kempenaers, B., & Sheldon, B. (1996). Why do male birds not discriminate between their own and extra-pair offspring?

Dyfyniad Arddull Chicago

Kempenaers, B., and B. Sheldon. Why Do Male Birds Not Discriminate Between Their Own and Extra-pair Offspring? 1996.

Dyfyniad MLA

Kempenaers, B., and B. Sheldon. Why Do Male Birds Not Discriminate Between Their Own and Extra-pair Offspring? 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.