Dyfyniad APA

Etchecopar, R., & Francois, H. (1967). The birds of North Africa from the Canary islands to the red sea. Oliver & Boyd.

Dyfyniad Arddull Chicago

Etchecopar, R.D, and Hue Francois. The Birds of North Africa from the Canary Islands to the Red Sea. Edinburgh: Oliver & Boyd, 1967.

Dyfyniad MLA

Etchecopar, R.D, and Hue Francois. The Birds of North Africa from the Canary Islands to the Red Sea. Oliver & Boyd, 1967.

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