World Health Organization. (2002). The World health report 2002: Reducing risks, promoting healthy life. World Health Organization.
Cita Chicago (17th ed.)World Health Organization. The World Health Report 2002: Reducing Risks, Promoting Healthy Life. Geneva: World Health Organization, 2002.
Cita MLA (8th ed.)World Health Organization. The World Health Report 2002: Reducing Risks, Promoting Healthy Life. World Health Organization, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.