Halpern, E. Anette (1999). "Camel". In Mares; Michael A. (eds.). Deserts. University of Oklahoma Press. pp. 96–97. ISBN 9780806131467. Archived from the original on 2016-04-29
Koulischer, L; Tijskens, J; Mortelmans, J (1971). "Mammalian cytogenetics. IV. The chromosomes of two male Camelidae: Camelus bactrianus and Lama vicugna". Acta Zoologica et Pathologica Antverpiensia. 52: 89–92. PMID 5163286
Schmidt-Nielsen, K. (1964). Desert Animals: Physiological Problems of Heat and Water. New York: Oxford University Press (OUP) Cited in "Coat of fur on the camel". Davidson College. Archived from the original on February 25, 2003
Harington, C. R. (June 1997). "Ice Age Yukon and Alaskan Camels". Yukon Beringia Interpretive Centre. Government of Yukon, Department of Tourism and Culture, Museums Unit. Archived from the original on 26 January 2013. Retrieved 3 December 2012
"Poebrotherium" (PDF). North Dakota Industrial Commission Department of Mineral Resources. Archived from the original (PDF) on 25 July 2012. Retrieved 3 December 2012.