APA استشهاد

(2003). WHO expert committee on drug dependence: Thirty-third report. World Health Organisation.

استشهاد بنمط شيكاغو

WHO Expert Committee on Drug Dependence: Thirty-third Report. Geneva: World Health Organisation, 2003.

MLA استشهاد

WHO Expert Committee on Drug Dependence: Thirty-third Report. World Health Organisation, 2003.