World Health Organization, United Nations Development Programme, & Reid, E. (1998). Cancer pain relief and palliative care in children. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization, United Nations Development Programme, y Elizabeth Reid. Cancer Pain Relief and Palliative Care in Children. Geneva: World Health Organization, 1998.
Cita MLA (8a ed.)World Health Organization, et al. Cancer Pain Relief and Palliative Care in Children. World Health Organization, 1998.
Precaución: Estas citas no son 100% exactas.