APA استشهاد

World Health Organization. (1990). WHO expert committee on biological standardization. World Health Organization.

استشهاد بنمط شيكاغو

World Health Organization. WHO Expert Committee on Biological Standardization. Geneva: World Health Organization, 1990.

MLA استشهاد

World Health Organization. WHO Expert Committee on Biological Standardization. World Health Organization, 1990.