Rujukan Beruang afrika

  1. ↑ McLellan, B.N., Proctor, M.F., Huber, D. & Michel, S. 2017. Ursus arctos (amended version of 2017 assessment). The IUCN Red List of Threatened Species 2017: e.T41688A121229971. https://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T41688A121229971.en. Downloaded on 27 April 2021.
  2. ↑ McLellan, B.N., Proctor, M.F., Huber, D. & Michel, S. 2017. Ursus arctos (amended version of 2017 assessment). The IUCN Red List of Threatened Species 2017: e.T41688A121229971. https://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T41688A121229971.en. Downloaded on 27 April 2021.
  3. 1 2 Bryden, H. A. (ed.) (1899). Great and small game of Africa Rowland Ward Ltd., London. Pp. 544–608.
  4. ↑ Schaller, p. 220–21.
  5. 1 2 Calvignac, Sebastien; Hughes, Sandrine; Hanni, Catherine (2009). "Genetic diversity of endangered brown bear (Ursus arctos) populations at the crossroads of Europe, Asia and Africa". Diversity and Distributions. 15 (5): 742–750. doi:10.1111/j.1472-4642.2009.00586.x.
  6. 1 2 "Atlas bear (extinct) – Bear Conservation" (dalam bahasa Inggeris). Dicapai pada 2020-10-02.
  7. 1 2 Bob Strauss (2014), Atlas bear facts
  8. ↑ Mayne Reid (1865). Bruin: The Grand Bear Hunt. Ticknor and Fields.
  9. ↑ Calvignac, S.; Hughes, S.; Tougard, C.; Michaux, J.; Thevenot, M.; Philippe, M.; Hamdine, W.; Hanni, C. (2008). "Ancient DNA evidence for the loss of a highly divergent brown bear clade during historical times". Mol. Ecol. 17 (8): 1962–1970. doi:10.1111/j.1365-294x.2008.03631.x. PMID 18363668.
  10. ↑ Nowell, Kristin; Jackson, Peter (1996). Wild Cats: Status Survey and Conservation Action Plan (PDF). Gland, Switzerland: IUCN/SSC Cat Specialist Group. m/s. 1–334. ISBN 978-2-8317-0045-8.
  11. ↑ Ortega, Joseph J. "The Atlas Bear." PlanetEarthScience. Web. 24 October 2014. <http://planetearthscienceart.blogspot.com/2010/07/africas-only-bear-brief-natural-history.html>.
  12. ↑ Strauss, Bob. "Atlas Bear." About Education. 1 January 2014. Web. 22 Oct. 2014
  13. ↑ "Atlas bear (extinct) – Bear Conservation" (dalam bahasa Inggeris). Dicapai pada 2020-10-15.
  14. ↑ The Great Bear Almanac. Guilford, CT, 1993, pg. 281.
  15. ↑ "L'ours de l'Atlas a vraiment existé par Michel Raynal" (dalam bahasa Perancis).
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