Final List of Sources

Epler, Bruce. Tourism, the Economy, Population Growth, and Conservation in Galapagos. Charles Darwin Foundation. 2007. 25 Nov. 2012.
<www.darwinfoundation.org>.

"Galapagos Cactus". Galapagos Online. 23 Nov. 2012.     <http://www.galapagosonline.com/>.

"Galapagos Islands". Natural Habitat Adventures. Conservation Travel Provider. 2011. 25 Nov. 2012.
<www.aboutgalapagos.com>.

"Issues in the Galapagos". Galapagos Conservation Trust. 2011. 25 Nov. 2012.
<www.savegalapagos.org>.


Jackson, Michael Hume. Galapagos: A Natural History Guide. University of Calgary Press, 1993. Google Books. 23 Nov. 2012.
<http://books.google.com/>.

Neall, E. Vincent and Steven A Trewick; "The Age and Origin of the Pacific Islands: a geological   overview. vol. 363 no. 1508. Royal Society Publishing, 27 Oct. 2008. Web. 23 Nov. 2012. <http://rstb.royalsocietypublishing.org/>.

Smith, Nicole. "The Human Impact on the Galapagos Islands". Article Myriad 2012. 24 Nov. 2012.
 <http://www.articlemyriad.com/human-impact-galapagos-islands/>.