APA aipamena

WHO Expert Committee on Drug Dependence. (1999). WHO Expert Committee on Drug Dependence: Twenty-first report. World Health Organization.

Chicago Style aipamena

WHO Expert Committee on Drug Dependence. WHO Expert Committee on Drug Dependence: Twenty-first Report. Geneva: World Health Organization, 1999.

MLA aipamena

WHO Expert Committee on Drug Dependence. WHO Expert Committee on Drug Dependence: Twenty-first Report. World Health Organization, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.