References

Haugen, Brenda. African Elephants. Capstone, 2013.

Firestone, Mary. Top 50 Reasons to Care about Elephants: Animals in Peril. Enslow Publishers, Inc., 2010.

Alderton, David. The encyclopedia of animals. Chartwell books, Inc., 2009. Pp. 351-352.

Uhlenbroek, Charlotte. Vida animal. Pearson Alhambra, 2009. Pp. 115, 295, 366, 471, 466, 467, 485.

World of animals Magazine. Imagine publishing. Pp. 14, 40, 41, 75.

Animals, a visual encyclopedia. Smithsonian. 2012. Pp. 88-91

http://wwf.panda.org/what_we_do/endangered_species/elephants

http://seaworld.org/en/animal-info/animal-infobooks/elephants/

http://animals.sandiegozoo.org/animals/elephant

http://www.awf.org/wildlife-conservation/elephant

http://animaldiversity.org/

www.iucnredlist.org

http://en.wikipedia.org/wiki/Elephant

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