1. ASEAN. (2012, April 3). ASEAN Leaders’ Declaration on Drug-Free ASEAN 2015. Retrieved from http://www.asean.org/archive/documents/Declaratin%20on%20Drug%20Free%20ASEAN_Endorsed%20by%20Summit_FINAL.pdf.
2. Secretary-General’s remarks at special event on the International Day against Drug Abuse and illicit Trafficking;Ban Ki-moon,2013
3. International drug control: Consensus fractured;Bewley-Taylor,2012
4. The rise and decline of cannabis prohibition;Bewley-Taylor,2014
5. Brownfield, William R. (2014, October). Trends in Global Drug Policy. New York City. Retrieved from http://fpc.state.gov/232813.htm.