World Health Organization. (2007). Sound Choices: Enhancing capacity for evidence- informed health policy. World Health Organization.
Chicago Style aipamenaWorld Health Organization. Sound Choices: Enhancing Capacity for Evidence- Informed Health Policy. Geneva: World Health Organization, 2007.
MLA aipamenaWorld Health Organization. Sound Choices: Enhancing Capacity for Evidence- Informed Health Policy. World Health Organization, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.