Johnson, Sylvia A.. Tree Frogs. Lerner Publications: Minneapolis, 1986..

Stone, Lynn M.. Unusual Animals.. Rourke: Vero Beach, 1993.

Janson, Q.. "Poison Frogs." 21 January, 2001. <http://www1.tip.nl/~t272198/content.htm>.

"Frog Stuff." Freaky Frogs. 2001. A Pixie Production. 22 February 2001. <http://www.freakyfrogs.com>.

"Tropical Rainforests." Biopark. International Biopark Foundation. 22 February 2001. <http://biopark.org>.

Larkins, Grover. Nature Gallery. 21 February 2001. <http://www.fiu.edu/~larkinsg/nature_gallery_17.htm>.

Melancon, Robert L.. "Frog Page." Robb\'s World. 1999. Robert L. Melancon. 19 February 2001. <http://www.concentric.net/~Melancon/Frogpage/dartfrog.htm>.

Quia.. 4 March 2001. <http://www.quia.com>.

Gill, Deborah.. "Silly Frogs." Animation Grove. 4 March 2001. <http://www.grove.showbird.com/tfrog5.html>.

"My Thinkquest - Dev Tools Administration." Thinkquest.. 2001. 12 March 2001. .