World Health Organization, United Nations Development Programme, & Reid, E. (1998). Cancer pain relief and palliative care in children. World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization, United Nations Development Programme, और Elizabeth Reid. Cancer Pain Relief and Palliative Care in Children. Geneva: World Health Organization, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Health Organization, et al. Cancer Pain Relief and Palliative Care in Children. World Health Organization, 1998.
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