Não informado. (2001). Poultry World. Reed Business Information.
Lua i Stíl Chicago (17ú heag.)Não informado. Poultry World. Surrey, Inglaterra: Reed Business Information, 2001.
Lua MLA (8ú heag.)Não informado. Poultry World. Reed Business Information, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.