(1987). WHO expert committee on biological standardization. World Health Organization.
Chicago Edition CitationWHO Expert Committee on Biological Standardization. Geneva: World Health Organization, 1987.
ציטוט MLAWHO Expert Committee on Biological Standardization. World Health Organization, 1987.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.