Citations

Graphics from Microsoft Clip Art.

Books:

Sayre, April Pulley. Grassland. New York: Twenty-First Century Books, 1994.

Sayre, April Pulley. Taiga. New York: Twenty-First Century Books, 1994.

Sayre, April Pulley. Temperate Deciduous Forest. New York: Twenty-First Century Books, 1994.

Sayre, April Pulley. Tropical Forest. New York: Twenty-First Century Books, 1994.

Sayre, April Pulley. Tundra. New York: Twenty-First Century Books, 1994.

Sayre, April Pulley. Desert. New York: Twenty-First Century Books, 1994.