DeVries, R., & Kohlberg, L. (1987). Constructivist early education: Overview and comparison with other programs. National Association for the Education of Young Children.
Citazione stile Chigago Style (17a edizione)DeVries, Rheta, e Lawrence Kohlberg. Constructivist Early Education: Overview and Comparison with Other Programs. Washington, D.C: National Association for the Education of Young Children, 1987.
Citatione MLA (9a ed.)DeVries, Rheta, e Lawrence Kohlberg. Constructivist Early Education: Overview and Comparison with Other Programs. National Association for the Education of Young Children, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.