Đọc thêm

• FAO ANIMAL PRODUCTION AND HEALTH PAPER 27. (1982). Deer farming guidelines on practical aspects. ISBN 92-5-101137-0. Truy cập ngày 4 tháng 1 năm 2008.
• Clutton-Brock, J. (1978). A Natural History of Domesticated Animals. London, British Museum.
• Lyneborg, L. (1971). Mammals [of Europe]. ISBN 0-7137-0548-5.
• Level 1 DSC Training Manual. http://www.eskdalewildlife.com/training.html
• Urdang, Laurence. The Random House Dictionary of the English Language. 1969; Laurence Urdang, Editor in Chief, Random House.