World Health Organization & International Association for the Study of Pain. (1998). Cancer pain relief and palliative care in children. World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization und International Association for the Study of Pain. Cancer Pain Relief and Palliative Care in Children. Geneva: World Health Organization, 1998.
MLA-Zitierstil (9. Ausg.)World Health Organization und International Association for the Study of Pain. Cancer Pain Relief and Palliative Care in Children. World Health Organization, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.