Bagley, Bruce Michael (1988). "US Foreign Policy and the War on Drugs: Analysis of a Policy Failure". Journal of Interamerican Studies and World Affairs. 30 (2/3): 189–212. doi:10.2307/165986. JSTOR165986.
Bagley, Bruce Michael (1988). "US Foreign Policy and the War on Drugs: Analysis of a Policy Failure". Journal of Interamerican Studies and World Affairs. 30 (2/3): 189–212. doi:10.2307/165986. JSTOR165986.