Cita APA (7th ed.)

World Health Organization, United Nations Development Programme, & Reid, E. (1998). Cancer pain relief and palliative care in children. World Health Organization.

Cita Chicago (17th ed.)

World Health Organization, United Nations Development Programme, i Elizabeth Reid. Cancer Pain Relief and Palliative Care in Children. Geneva: World Health Organization, 1998.

Cita MLA (8th ed.)

World Health Organization, et al. Cancer Pain Relief and Palliative Care in Children. World Health Organization, 1998.