APA
(2003). International guidelines for estimating the costs of substance abuse. World Health Organization, (s.l.): .
Chicago
2003. International guidelines for estimating the costs of substance abuse. World Health Organization, (s.l.): .
Harvard
(2003). International guidelines for estimating the costs of substance abuse. World Health Organization, (s.l.): .
MLA
International guidelines for estimating the costs of substance abuse. World Health Organization, (s.l.): . 2003.