(1997). Dengue Haemorrhagic Fever (2.ed.). World Health Organization.
Chicago Style aipamenaDengue Haemorrhagic Fever. 2.ed. Ginebra: World Health Organization, 1997.
MLA aipamenaDengue Haemorrhagic Fever. 2.ed. World Health Organization, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.