1. Arbuckle, J. L. (2010). IBM SPSS® Amos™ 19 user’s guide. Crawfordville, FL: Amos Development Corporation.
2. Bălţătescu, S. (2006). Comparative results and psychometric properties of the Personal Well-Being Index—Romania (old and new versions) with an adolescent sample—a preliminary analysis. From http://www.sergiubaltatescu.info/content/comparativePWI . Retrieved May 4, 2011.
3. Batista-Foguet, J. M., & Coenders, G. (2000). Modelos de Ecuaciones Estructurales. Madrid: La Muralla.
4. Brannick, M. T. (1995). Critical comments on applying covariance structure modelling. Journal of Organizational Behaviour, 16, 201–213.
5. Byrne, B. M. (2010). Structural equation modeling with AMOS: Basic concepts, applications and programming (2nd ed.). New York: Routledge.