Não informado. (2002). Avian and Poultry Biology Reviews. Science Reviews.
Lua i Stíl Chicago (17ú heag.)Não informado. Avian and Poultry Biology Reviews. Northwood, Inglaterra: Science Reviews, 2002.
Lua MLA (8ú heag.)Não informado. Avian and Poultry Biology Reviews. Science Reviews, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.