Não informado. Bulletin of Animal Health and Production in Africa. Inter-African Bureau for Animal Resources.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of Animal Health and Production in Africa. Nairobi: Inter-African Bureau for Animal Resources.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of Animal Health and Production in Africa. Inter-African Bureau for Animal Resources.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.