World Health Organization, United Nations Development Programme, & Reid, E. (1998). Cancer pain relief and palliative care in children. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization, United Nations Development Programme, och Elizabeth Reid. Cancer Pain Relief and Palliative Care in Children. Geneva: World Health Organization, 1998.
MLA-referens (8:e uppl.)World Health Organization, et al. Cancer Pain Relief and Palliative Care in Children. World Health Organization, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.