(2002). WHO expert committee on biological standardization: Fifty first report. World Health Organisation.
Chicago Edition CitationWHO Expert Committee on Biological Standardization: Fifty First Report. Singapore: World Health Organisation, 2002.
Cita MLAWHO Expert Committee on Biological Standardization: Fifty First Report. World Health Organisation, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.