Sprinthall, N. A., & Sprinthall, R. C. (1990). Educational psychology: A developmental approach (5th ed.). McGraw-Hill.

Sprinthall, Norman A., and Richard C. Sprinthall. Educational Psychology: A Developmental Approach. 5th ed. New York: McGraw-Hill, 1990.

Sprinthall, Norman A., and Richard C. Sprinthall. Educational Psychology: A Developmental Approach. 5th ed. McGraw-Hill, 1990.