Cita APA (7th ed.)

(1997). Dengue Haemorrhagic Fever (2.ed.). World Health Organization.

Cita Chicago (17th ed.)

Dengue Haemorrhagic Fever. 2.ed. Ginebra: World Health Organization, 1997.

Cita MLA (9th ed.)

Dengue Haemorrhagic Fever. 2.ed. World Health Organization, 1997.