Tobacco Free Initiative. (2013). WHO recommendations for the prevention and management of tobacco use and second-hand smoke exposure in pregnancy. Prevention of Noncommunicable Diseases, Tobacco Free Initiative, World Health Organization.
Cita Chicago Style (17a ed.)Tobacco Free Initiative. WHO Recommendations for the Prevention and Management of Tobacco Use and Second-hand Smoke Exposure in Pregnancy. Geneva, Switzerland: Prevention of Noncommunicable Diseases, Tobacco Free Initiative, World Health Organization, 2013.
Cita MLA (9a ed.)Tobacco Free Initiative. WHO Recommendations for the Prevention and Management of Tobacco Use and Second-hand Smoke Exposure in Pregnancy. Prevention of Noncommunicable Diseases, Tobacco Free Initiative, World Health Organization, 2013.
