Dyfyniad APA

Dobzhansky, T. (1968). Genetics and orgin of species (3.). Oxford and IBH publishing.

Dyfyniad Arddull Chicago

Dobzhansky, T. Genetics and Orgin of Species. 3. Calcutta: Oxford and IBH publishing, 1968.

Dyfyniad MLA

Dobzhansky, T. Genetics and Orgin of Species. 3. Oxford and IBH publishing, 1968.

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