Etchecopar, R., & Francois, H. (1967). The birds of North Africa from the Canary islands to the red sea. Oliver & Boyd.
Citazione stile Chigago Style (17a edizione)Etchecopar, R.D, e Hue Francois. The Birds of North Africa from the Canary Islands to the Red Sea. Edinburgh: Oliver & Boyd, 1967.
Citatione MLA (9a ed.)Etchecopar, R.D, e Hue Francois. The Birds of North Africa from the Canary Islands to the Red Sea. Oliver & Boyd, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.