Barker, R.C. & Wright, H.F. The Midwest and Its Children. New York: Harper & Row, 1984.

Bohannan, Peter (Ed). Divorce and After: A Collection of Stories. New York: Doubleday, 1980.

Crowley, J.R., Levitin, T.E., & Quinn, R.P. "Seven Deadly Half Truths about Women." Psychology Today, March 1973: 94-96.

Hauri, Peter. "Depression." Behavior Today, (29 April 1984): 17-23.

Skinner, B.F., The Behavior of Organisms. New York: Appleton Century-Crofts, 1938.

Wicklegrem, W. Learning and Memory. Englewoods Cliffs, N.J.: Prentice-Hall, 1977.

Yankelvich, David. "The New Psychological Contracts at Work." Psychology Today, May 1978: 46-50.