World Health Organization. WHO Expert Committee on biological standardization: Sixty-fourth meeting report.
Chicago (17e ed.) BronvermeldingWorld Health Organization. WHO Expert Committee on Biological Standardization: Sixty-fourth Meeting Report.
MLA (8e ed.) BronvermeldingWorld Health Organization. WHO Expert Committee on Biological Standardization: Sixty-fourth Meeting Report.
Let op: Deze citaties zijn niet altijd 100% accuraat.