Não informado. Annual Report of the Animal Health Trust. Animal Health Trust.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annual Report of the Animal Health Trust. London: Animal Health Trust.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annual Report of the Animal Health Trust. Animal Health Trust.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.