HolsteinC. B.Irreversible, stepwise sequence in the development of moral judgment: A longitudinal study of males and females. Child Development, 1976, 47, 51–61.
2.
KohlbergL.The development of children's orientations toward a moral order: I. Sequence in the development of moral thought. Vita Humana, 1963, 6, 11–33.
3.
RestJ.CooperD.CoderR.MasanzJ.AndersonD.Judging the important issues in moral dilemmas: An objective measure of development. Developmental Psychology, 1974, 10, 491–501.