Cita APA (7a ed.)
ebrary, Inc. (2001). How to develop and implement a national drug policy (2nd ed.). World Health Organization.
Cita Chicago Style (17a ed.)
ebrary, Inc. How to Develop and Implement a National Drug Policy. 2nd ed. Geneva: World Health Organization, 2001.
Cita MLA (9a ed.)
ebrary, Inc. How to Develop and Implement a National Drug Policy. 2nd ed. World Health Organization, 2001.
Precaución: Estas citas no son 100% exactas.