Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.