Glass, Spencer. Guppies Today: A Complete and Up-to-date Guide. Philadelphia: Chelsea House, 1997. Print.
McBride, Gardner. “Your Direct Information Source About Show Quality Guppies, Guppy Food, Guppy Supllies.” Guppies.com. Joomla, 16 May 2007. Web. 28 Dec. 2010. <http://www.guppies.com/index.php>.
Another Great Place to Check out is:
http://www.thefishguide.com is a great site to get your info on your tropical fish