Não informado. (2002). Journal of the Association of Veterinary Anaesthetists. Association of Veterinary Anaesthetists of Great Britain and Ireland.
Chicago-referens (17:e uppl.)Não informado. Journal of the Association of Veterinary Anaesthetists. Liverpool, Inglaterra: Association of Veterinary Anaesthetists of Great Britain and Ireland, 2002.
MLA-referens (8:e uppl.)Não informado. Journal of the Association of Veterinary Anaesthetists. Association of Veterinary Anaesthetists of Great Britain and Ireland, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.