Cita APA

World Health Organization. (1996). Cancer pain relief: With a guide to opioid availability. Geneva: World Health Organization.

Chicago Style Citation

World Health Organization. Cancer Pain Relief: With a Guide to Opioid Availability. Geneva: World Health Organization, 1996.

Cita MLA

World Health Organization. Cancer Pain Relief: With a Guide to Opioid Availability. Geneva: World Health Organization, 1996.

Atenció: Aquestes cites poden no estar 100% correctes.