Não informado. Bulletin of Animal Health and Production in Africa. Inter-African Bureau for Animal Resources.
Chicago-referens (17:e uppl.)Não informado. Bulletin of Animal Health and Production in Africa. Nairobi: Inter-African Bureau for Animal Resources.
MLA-referens (8:e uppl.)Não informado. Bulletin of Animal Health and Production in Africa. Inter-African Bureau for Animal Resources.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.