APA
WHO-TRS, . (1995). WHO exp.com.on druy dependence. WHO, Geneva: .
Chicago
WHO-TRS, . 1995. WHO exp.com.on druy dependence. WHO, Geneva: .
Harvard
WHO-TRS, . (1995). WHO exp.com.on druy dependence. WHO, Geneva: .
MLA
WHO-TRS, . WHO exp.com.on druy dependence. WHO, Geneva: . 1995.