World Health Organization. (2011). WHO expert committee on biological standardization. World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. WHO Expert Committee on Biological Standardization. Geneva, Switzerland: World Health Organization, 2011.
MLA-Zitierstil (8. Ausg.)World Health Organization. WHO Expert Committee on Biological Standardization. World Health Organization, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.