APA استشهاد

(2002). WHO expert committee on biological standardization: 50th report. World Health Organisation.

استشهاد بنمط شيكاغو

WHO Expert Committee on Biological Standardization: 50th Report. Geneva: World Health Organisation, 2002.

MLA استشهاد

WHO Expert Committee on Biological Standardization: 50th Report. World Health Organisation, 2002.