World Health Organization. (2001). Legal status of traditional medicine and complementary / alternative medicine. World Health Organization.
Dyfyniad Arddull ChicagoWorld Health Organization. Legal Status of Traditional Medicine and Complementary / Alternative Medicine. Geneva: World Health Organization, 2001.
Dyfyniad MLAWorld Health Organization. Legal Status of Traditional Medicine and Complementary / Alternative Medicine. World Health Organization, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.