Citazione Stile APA (7a Edizione)

World Health Organization. (2001). How to develop and implement a national drug policy (2nd ed.). World Health Organization.

Citazione stile Chigago Style (17a edizione)

World Health Organization. How to Develop and Implement a National Drug Policy. 2nd ed. Geneva: World Health Organization, 2001.

Citatione MLA (9a ed.)

World Health Organization. How to Develop and Implement a National Drug Policy. 2nd ed. World Health Organization, 2001.