Brudon, P. R. (1999). Indicators for monitoring National drug policies (2nd ed.). World Health Organization.
Cita Chicago Style (17a ed.)Brudon, Pascale Rainhorn. Indicators for Monitoring National Drug Policies. 2nd ed. Geneva: World Health Organization, 1999.
Cita MLA (8a ed.)Brudon, Pascale Rainhorn. Indicators for Monitoring National Drug Policies. 2nd ed. World Health Organization, 1999.
Precaución: Estas citas no son 100% exactas.