1. Arkin, R. C. (2008). Governing lethal behavior: Embedding ethics in a hybrid deliberative/reactive robot architecture. In Proceedings of the 3rd ACM/IEEE international conference on human–robot interaction.
2. Asaro, P. M. (2008). How just could a robot war be? In P. Brey, A. Briggle, & K. Waelbers (Eds.), Current issues in computing and philosophy (pp. 50–64). Amsterdam: Ios Press.
3. Borgmann, A. (1984). Technology and the character of contemporary life: A philosophical inquiry. Chicago: University of Chicago Press.
4. Brooks, R. (2012). What’s Not wrong with drones? Foreign Policy. Retrieved from http://www.foreignpolicy.com/articles/2012/09/05/whats_not_wrong_with_drones .
5. Bumiller, E. (2012). A day job waiting for a kill shot a world away. The New York Times. Retrieved from http://www.nytimes.com/2012/07/30/us/drone-pilots-waiting-for-a-kill-shot-7000-miles-away.html?pagewanted=all .