Killicoat, Phillip (April 2007). "Weaponomics: The Global Market for Rifles"(PDF). World Bank Policy Research Working Paper 4202 (Post-Conflict Transitions Working Paper No. 10). Oxford University. p. 3. Archived(PDF) from the original on 12 January 2012. Retrieved 3 April 2010.
Killicoat, Phillip (April 2007). "Weaponomics: The Global Market for Rifles"(PDF). World Bank Policy Research Working Paper 4202 (Post-Conflict Transitions Working Paper No. 10). Oxford University. p. 3. Archived(PDF) from the original on 12 January 2012. Retrieved 3 April 2010.