Carefoot, W. C. (1986). Creative poultry breeding. W.C. Carefoot.
Lua i Stíl Chicago (17ú heag.)Carefoot, W. C. Creative Poultry Breeding. Chipping Preston, England: W.C. Carefoot, 1986.
Lua MLA (8ú heag.)Carefoot, W. C. Creative Poultry Breeding. W.C. Carefoot, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.