Directorate-General for Health and Consumers (2008), Final report on prevention, treatment, and harm reduction services in prison, on reintegration services on release from prison and methods to monitor/analyse drug use among prisoners, Directorate-General for Health and Consumers, Brussels (available online).
Γενική ιεύθυνση Υγεία και Καταναλωτών (2008): Final report on prevention, treatment, and harm reduction services in prison, on reintegration services on release from prison and methods to monitor/analyse drug use among prisoners, Γενική ιεύθυνση Υγεία και Καταναλωτών, Βρυξέλλε (διατίθεται σε ηλεκτρονική ορφή).