Não informado. Bulletin of Animal Health and Production in Africa. Inter-African Bureau for Animal Resources.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of Animal Health and Production in Africa. Nairobi: Inter-African Bureau for Animal Resources.
Lua MLA (8ú heag.)Não informado. Bulletin of Animal Health and Production in Africa. Inter-African Bureau for Animal Resources.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.