Visual Guide to the World's Wildlife. Dorling Kindersley Limited. ISBN 978-1-4053-6233-7. "Deer (Family Cervidae)". Retrieved 8 January 2014. "Père David's...
Visual Guide to the World's Wildlife. Dorling Kindersley Limited. ISBN 978-1-4053-6233-7. Timm, Robert M.; Slade, Norman A.; Pisani, George R. "Mule Deer Odocoileus...