Bourne, L. E., & Ekstrand, B. R. (1988). Psychology: A concise introduction. Holt, Rhinehart and Winston.

Bourne, Lyle Eugene, and Bruce R. Ekstrand. Psychology: A Concise Introduction. New York: Holt, Rhinehart and Winston, 1988.

Bourne, Lyle Eugene, and Bruce R. Ekstrand. Psychology: A Concise Introduction. Holt, Rhinehart and Winston, 1988.