1. Ahearn, W. H., & Tiger, J. J. (2013). Behavioral approaches to the treatment of autism. In G. J. Madden (Ed.), APA handbook of behavior analysis: volume 2, translating behavioral principles into practice (pp. 301–328). Washington, DC: American Psychological Association.
2. Ahmed, N. (2014). The age of climate warfare is here. The military-industrial complex is ready. Are you? The Guardian. Downloaded on November 17, 2014, from http://www.theguardian.com/environment/earth-insight/2014/may/30/climate-change-war-conflict-military-industrial-complex-syria-egypt-uprising
3. American Psychological Association. (2010). Ethical principles of psychologists and code of conduct. Washington, DC: American Psychological Association.
4. Bailey, J., & Burch, M. (2011). Ethics for behavior analysts (2nd ed.). New York: Routledge.
5. Gardner, A., & West, S. A. (2014). Inclusive fitness: 50 years on. Philosophical Transactions of the Royal Society. B:Biological Sciences, 369, downloaded on November 17, 2014 from http://dx.doi.org/10.1098/rstb.2013.0356