Newton, e. b. I. Lifetime reproduction in bird. Academic Press.
Lua i Stíl Chicago (17ú heag.)Newton, edited by Ian. Lifetime Reproduction in Bird. Academic Press.
Lua MLA (8ú heag.)Newton, edited by Ian. Lifetime Reproduction in Bird. Academic Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.