"The 2001 Outbreak of Foot and Mouth Disease", Report by the comptroller and auditor general, HC 939 Session 2001-2002: 21 June 2002 van het National Audit Office, Londen ,
"The 2001 Outbreak of Foot and Mouth Disease", Report by the comptroller and auditor general, HC 939 Session 2001-2002: 21 June 2002 des National Audit Office, London,