World Health Organization. (2007). Sound Choices: Enhancing capacity for evidence- informed health policy. World Health Organization.
Dyfyniad Arddull ChicagoWorld Health Organization. Sound Choices: Enhancing Capacity for Evidence- Informed Health Policy. Geneva: World Health Organization, 2007.
Dyfyniad MLAWorld Health Organization. Sound Choices: Enhancing Capacity for Evidence- Informed Health Policy. World Health Organization, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.