1. (1968). Ecological psychology: Concepts and methods for studying the environment of human behavior. Stanford, CA: Stanford University Press.
2. & (1973). Qualities of community life: Methods of measuring environment and behavior applied to an American and an English town. San Francisco: Jossey-Bass.
3. & (1951). One boy's day. New York: Harper & Row.
4. Retrieved March 1, 2005, fromhttp://www.ascusc.org/jcmc/vol9/issue2/blanchard.html.