World Health Organization. (1998). Guidelines for controlling and monitoring the tobacco epidemic. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Guidelines for Controlling and Monitoring the Tobacco Epidemic. Geneva: World Health Organization, 1998.
Citatione MLA (9a ed.)World Health Organization. Guidelines for Controlling and Monitoring the Tobacco Epidemic. World Health Organization, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.