Endler, N. S., Boulter, L. R., & Osser, H. (1976). Contemporary issues in developmental psychology (Second edition.). Holt, Rinehart and Winston.

Endler, Norman S., Lawrence R. Boulter, and Harry Osser. Contemporary Issues in Developmental Psychology. Second edition. New York: Holt, Rinehart and Winston, 1976.

Endler, Norman S., et al. Contemporary Issues in Developmental Psychology. Second edition. Holt, Rinehart and Winston, 1976.