Redigerer La Brea Tar Pits (avsnitt)

== Referanser ==
<references>
<ref name="DeSantis ''et al.'' (2015)">DeSantis ''et al.'' (2015) La Brea Carnivoran Microwear. In John M. Harris (eds.) ''La Brea and Beyond: The Paleontology of Asphalt-Preserved Biotas'' Science Series, Number '''42''', pp. 1–174. Natural History Museum of Los Angeles County, 2015 http://www.redciencia.cu/geobiblio/paper/2015_LasBreas%20Biotas.pdf#page=1</ref>

<ref name="Harris, Farrell, Howard, Scott & Shaw (2011)">Harris, J.M., A. Farrell, C. Howard, K. Scott, and C.A. Shaw. 2011. Contribution from project 23 to our understanding of the Rancho La Brea biota. ''Journal of Vertebrate Paleontology'' (Vol. '''31''', pp. 122-122)</ref>

<ref name="Kazmi (2009)">Kazmi, Ghaier (2009). ''La Brea tar pits''. Extinct animals. Ross Piper. s. 85–87. ISBN 978-0-313-34987-4</ref>

<ref name="O'Keefe ''et al.'' (2014)">O'Keefe, F. Robin, Binder, Wendy J., Frost, Stephen R., Sadlier, Rudyard W., and Van Valkenburgh, Blaire 2014. Cranial morphometrics of the dire wolf, Canis dirus, at Rancho La Brea: temporal variability and its links to nutrient stress and climate. ''Palaeontologia Electronica'' Vol. '''17''', Issue 1;17A; 24p; https://doi.org/10.26879/437</ref>

<ref name="Toothman (2021)">Toothman, Jessika (2021) ''[https://science.howstuffworks.com/environmental/earth/archaeology/la-brea-tar-pits.htm How the La Brea Tar Pits Work]''. HowStuffWorks. Besøkt 2021-01-18</ref>
</references>