APA aipamena

World Health Organization. (2012). WHO guidelines on the pharmacological treatment of persisting pain in children with medical illness. World Health Organization.

Chicago Style aipamena

World Health Organization. WHO Guidelines on the Pharmacological Treatment of Persisting Pain in Children with Medical Illness. Geneva, Switzerland: World Health Organization, 2012.

MLA aipamena

World Health Organization. WHO Guidelines on the Pharmacological Treatment of Persisting Pain in Children with Medical Illness. World Health Organization, 2012.