Portenoy, R. K., & Russell K. Portenoy; Eduardo Bruera. (2001). Topics in palliative care. New York: Oxford University Press.
Chicago Style aipamenaPortenoy, Russell K., và Russell K. Portenoy; Eduardo Bruera. Topics in Palliative Care. New York: Oxford University Press, 2001.
MLA aipamenaPortenoy, Russell K., và Russell K. Portenoy; Eduardo Bruera. Topics in Palliative Care. New York: Oxford University Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.