(1998). Cancer pain relief and palliative care in children. World Health Organisation.
Chicago Stili AlıntıCancer Pain Relief and Palliative Care in Children. Geneva: World Health Organisation, 1998.
MLA AlıntıCancer Pain Relief and Palliative Care in Children. World Health Organisation, 1998.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..