Organización Mundial de la Salud. (2001). Tropical disease research: progress 1999-2000: Fifteenth programme report. World Health Organization.
Chicago Style (17th ed.) CitationOrganización Mundial de la Salud. Tropical Disease Research: Progress 1999-2000: Fifteenth Programme Report. geneva: World Health Organization, 2001.
MLA (9th ed.) CitationOrganización Mundial de la Salud. Tropical Disease Research: Progress 1999-2000: Fifteenth Programme Report. World Health Organization, 2001.