Davey, S. (2002). The 10/90 report on health research, 2001-2002. World Health Organization.
Chicago Style aipamenaDavey, Sheila. The 10/90 Report on Health Research, 2001-2002. Geneva: World Health Organization, 2002.
MLA aipamenaDavey, Sheila. The 10/90 Report on Health Research, 2001-2002. World Health Organization, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.