APA
World Health Organization, . (2002). Control of chagas disease. World Health Organization, Geneva: .
Chicago
World Health Organization, . 2002. Control of chagas disease. World Health Organization, Geneva: .
Harvard
World Health Organization, . (2002). Control of chagas disease. World Health Organization, Geneva: .
MLA
World Health Organization, . Control of chagas disease. World Health Organization, Geneva: . 2002.