APA استشهاد

(2002). WHO expert committee on biological standardization: Fifty first report. World Health Organisation.

استشهاد بنمط شيكاغو

WHO Expert Committee on Biological Standardization: Fifty First Report. Singapore: World Health Organisation, 2002.

MLA استشهاد

WHO Expert Committee on Biological Standardization: Fifty First Report. World Health Organisation, 2002.