Wolff, P. H. (1987). The development of behavioral states and the expression of emotions in early infancy: New proposals for investigation. Univ. of Chicago Pr.
Chicago-Zitierstil (17. Ausg.)Wolff, Peter H. The Development of Behavioral States and the Expression of Emotions in Early Infancy: New Proposals for Investigation. Chicago, Ill. [u.a.]: Univ. of Chicago Pr, 1987.
MLA-Zitierstil (8. Ausg.)Wolff, Peter H. The Development of Behavioral States and the Expression of Emotions in Early Infancy: New Proposals for Investigation. Univ. of Chicago Pr, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.