Babad, Y. E., Alexander, I. E., & Babad, E. Y. (1983). Returning the smile of the stranger: Developmental patterns and socialization factors. Published by the University of Chicago Press for the Society for Research in Child Development.

Babad, Yael E., Irving E. Alexander, and Elisha Y. Babad. Returning the Smile of the Stranger: Developmental Patterns and Socialization Factors. Chicago: Published by the University of Chicago Press for the Society for Research in Child Development, 1983.

Babad, Yael E., et al. Returning the Smile of the Stranger: Developmental Patterns and Socialization Factors. Published by the University of Chicago Press for the Society for Research in Child Development, 1983.