1. American Psychiatric Association (1979). Diagnostic and statistical manual of mental disorders-III. Washington, D.C.: Author.
2. Asendorpf, J. (1983). Development of shyness(Paper 5/1983). Munich: Max-Planck-Institute for Psychological Research.
3. Asendorpf, J. (1984). Shyness, embarrassment, and self-presentation: A control theory approach. In R. Schwarzer (Ed.), The self in anxiety, stress, and depression(pp. 109–114 ). Amsterdam: North Holland.
4. Asher, S. R., Markell, R. A., and Hymel, S. (1981). Identifying children at risk in peer relations: A critique of the rate-of-interaction approach to assessment. Child Development, 52, 1239–1245.
5. Baumrind, D. (1967). Child care practices anteceding three patterns of preschool behavior. Genetic Psychology Monographs, 75, 43–88.