1. Alan Guttmacher Institute. (2001). Can more progress be made? Teenage sexual and reproductive behavior in developed countries. New York: The Alan Guttmacher Institute.
2. Allen, M. P. (1997). Understanding regression analysis. New York: Plenum Press.
3. Andresen, S. (2012). Childhood vulnerability: systematic, structural, and individual dimensions. Child Indicators Research, 7, 699–713.
4. Arnett, J. (2000). Emerging adulthood: a theory of development from late teens to early twenties. American Psychologist, 55, 469–480.
5. Auerbach, R., Bigda-Peyton, J., Eberhart, N., Webb, C., & Ho, M. (2010). Conceptualizing the prospective relationship between social support, stress, and depressive symptoms among adolescents. Journal of Abnormal Child Psychology, 39, 478–487.