TY  - BOOK
AU  - Beittel, June S. 
ED  - Congressional Research Service
TI  - Mexico’s Drug Trafficking Organizations: :  Source and Scope of the Violence 
PY  - 2013///
PB  - Congressional Research Service
KW  - Tráfico de drogas
KW  - Crimen Organizado
KW  - México
UR  - http://www.fas.org/sgp/crs/row/R41576.pdf
ER  -