1. Astin, A. W. (1993). What matters in college? Four critical years revised. Jossey-Bass.
2. Batson, C. D., & Powell, A. A. (2003). Altruism and prosocial behavior. In T. Millon & M. J. Lerner (Eds.), Handbook of psychology, personality and social psychology (Vol. 5, pp. 463–484). Wiley.
3. Batthyány, A., & Guttmann, D. (2005). Empirical research in logotherapy and meaning-oriented psychotherapy: An annotated bibliography. Zeig, Tucker & Theisen, Inc.
4. Batthyány, A., & Levinson, J. (Eds.). (2009). Existential psychotherapy of meaning: Handbook of logotherapy and existential analysis. Zeig, Tucker, & Theisen, Inc.
5. Bowman, N., Brandenberger, J., Lapsley, D., Hill, P., & Quaranto, J. (2010). Serving in college, flourishing in adulthood: Does community engagement during the college years predict adult well-being? Applied Psychology: Health and Well-Being, 2(1), 14–34. https://doi.org/10.1111/j.1758-0854.2009.01020.x