1 2 3 4 Jim Heffelfinger, Deer of the Southwest: A Complete Guide to the Natural History, Biology, and Management of Southwestern Mule Deer and White-tailed Deer, Texas A&M University Press, 2006, pp. 97-111.
↑ Armstrong, David M (2014). “Species Profile: Deer”. Colorado Division of Wildlife. Bản gốc lưu trữ ngày 8 tháng 1 năm 2014. Truy cập ngày 8 tháng 1 năm 2014.
↑ Lichens in relation to management issues in the Sierra Nevada national parks, McCune, B., J. Grenon, and E. Martin, L. Mutch, Sierra Nevada Network, Cooperative agreement CA9088A0008. Oregon State University, Corvallis, Oregon, and Sequoia and Kings Canyon National Parks, Three Rivers, California,
1 2 Leonard Lee Rue, III, The Deer of North America, First Lyons Press, 1997, p. 499-502.
↑ Heffelfinger, J. (2000). “Status of the name Odocoileus hemionus crooki (Mammalia: Cervidae)”. Proceedings of the Biological Society of Washington. 113: 319–333.