1. Warren, E. 2012. You didn’t build that. YouTube. http://www.youtube.com/watch?v=i-P-CoSNYaI&feature=youtube_gdata_player.
2. Tax morale and conditional cooperation;Frey;Journal of Comparative Economics,2007
3. The bundle of rights picture of property;Penner;UCLA Law Review,1995
4. Legislative instrumentalism vs. legal principles in tax;Gribnau;Coventry Law Journal,2013
5. Order without Law