1. Alexander, K. L., Entwisle, D. R., & Horsey, C. S. (1997). From first grade forward: Early foundations of high school dropout. Sociology of Education, 70, 87–107.
2. Bandura, A. (1997). Self-efficacy: The exercise of control. New York: Freeman.
3. Bjarnason, Th., Hjálmsdóttir, A., & Arnarsson, Á. M. (2010). Heilsa og lífskjör skólanema á höfuðborgarsvæðinu 2006–2010. [Health and living conditions in school-aged children living in the capital area in Iceland 2006–2010.]. Akureyri, Iceland: Rannsóknasetur forvarna við Háskólann á Akureyri.
4. Blondal, K. S. (2014). Student disengagement and school dropout: Parenting practices as context (A thesis for a Ph.D.-degree in Education Studies). Retrieved from
http://skemman.is/handle/1946/19426
5. Blondal, K. S., & Adalbjarnardottir, S. A. (2012). Student disengagement in relation to expected and unexpected educational pathways. Scandinavian Journal of Educational Research, 56, 85–100.