1. Banfield, E. C. (1958). The moral basis of a backward society. New York: The Free Press.
2. Bekkers, R. (2012). Trust and volunteering: Selection or causation? Evidence from a 4 year panel study. Political Behaviour, 34, 225–247.
3. Bekkers, R., & Bowman, W. (2009). The relationship between confidence in charitable organizations and volunteering revisited. Nonprofit and Voluntary Sector Quarterly, 38(5), 884–897.
4. Bellah, R. H., Tipton, S. M., Sullivan, W. M., Swidler, A., & Madsen, R. (1996). Habits of the heart: Individualism and commitment in American life (2nd ed.). University of California Press.
5. Carpenter, B., et al. (2017). STAN: A probabilistic programming language. Journal of Statistical Software, 80, 1.