World Health Organization. (1990). WHO expert committee on biological standardization. World Health Organization.
Chicago Edition CitationWorld Health Organization. WHO Expert Committee on Biological Standardization. Geneva: World Health Organization, 1990.
Deismireacht MLAWorld Health Organization. WHO Expert Committee on Biological Standardization. World Health Organization, 1990.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.