Karen A. Colburne

Gender stereotyping in infancy: Visual preferences for and knowledge of gender-stereotyped toys in the second year

Diane Poulin-Dubois, Lisa A. Serbin, D. Poulin-Dubois, 2001 .

The emergence of gender segregation in toddler playgroups.

L. Serbin, K. Powlishta, J. Gulko, 1994, New directions for child development.