Miller, G. T. (1997). Environmental science sixth edition. New York: Wadsworth Publishing Co.
Enchantedlearning.com. (July 13, 2003). Enchanted learning biomes-habitats. [online]. Available: http://www.enchantedlearning.com/biomes.
Biomes Group of the Fall 96 Biology 1B class, section 115, at UC Berkeley. (July 13, 2003). The worlds biomes. [online]. Available: http://www.ucmp.berkeley.edu/glossary/gloss5/biome.
Dickson, A. (July 13, 2003). The biomes of the world. [online]. Available: http://redbaron.bishops.ntc.nf.ca/wells/biomes/index.htm.
ETE team. (July 13, 2003). Earth floor biomes. [online]. Available: http://www.cotf.edu/ete/modules/msese/earthsysflr/biomes.html.
Kaufman, Y. (July 13, 2003). Earth observatory mission: biomes. [online]. Available: http://earthobservatory.nasa.gov/Laboratory/Biome.
Woodward, S. (July 13, 2003). Introduction to biomes. [online]. Available: http://www.radford.edu/~swoodwar/CLASSES/GEOG235/biomes/intro.html.
Missouri botanical gardens. (July 13, 2003). Biomes of the world. [online]. Available: http://mbgnet.mobot.org.