1. Acemoglu, D., & Robinson, J. A. (2012). Why nations fail: The origins of power, prosperity, and poverty. New York, NY: Crown Business.
2. Alexander, R. D. (1987). The biology of moral systems. New York, NY: de Gruyter.
3. Baum, W. M. (1995). Rules, culture, and fitness. The Behavior Analyst, 18(1), 1–21.
https://doi.org/10.1007/bf03392688
.
4. Baum, W. M. (2000). Being concrete about culture and cultural evolution. In N. Thompson & F. Tonneau (Eds.), Perspectives in ethology: Evolution, culture, and behavior. New York, NY: Kluwer Academic/Plenum.
5. Baum, W. M. (2005). Understanding behaviorism: Behavior, culture and evolution (2nd ed.). Oxford, UK: Blackwell.