(en) Valerie Porter, Lawrence Alderson, Stephen J. G. Hall et Dan Phillip Sponenberg, Mason's World Encyclopedia of Livestock Breeds and Breeding, CAB International, , 6e éd., 1 107 p. (ISBN1-84593-466-0, OCLC948839453)..
(en) Andrea Fitzpatrick, The Ultimate Guide to Horse Breeds, , 448 p. (ISBN0-7858-3467-2)..
(en) Valerie Porter, Lawrence Alderson, Stephen J. G. Hall et Dan Phillip Sponenberg, Mason's World Encyclopedia of Livestock Breeds and Breeding, CAB International, , 6e éd., 1 107 p. (ISBN1-84593-466-0, OCLC948839453)..