World Health Organization, United Nations Development Programme, & Reid, E. (1998). Cancer pain relief and palliative care in children. World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization, United Nations Development Programme, und Elizabeth Reid. Cancer Pain Relief and Palliative Care in Children. Geneva: World Health Organization, 1998.
MLA-Zitierstil (8. Ausg.)World Health Organization, et al. Cancer Pain Relief and Palliative Care in Children. World Health Organization, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.