McMAHON, F. B., & McMAHON, J. W. (1986). Psychology: The hybrid science.-- Ed.5. The Dorsey Press.

McMAHON, Frank B., and Judith W. McMAHON. Psychology: The Hybrid Science.-- Ed.5. Chicago: The Dorsey Press, 1986.

McMAHON, Frank B., and Judith W. McMAHON. Psychology: The Hybrid Science.-- Ed.5. The Dorsey Press, 1986.