OMS. (1994). WHO technical report series; N.840: WHO expert committee on biological standardization. Geneva: OMS.
Παραπομπή Chicago StyleOMS. WHO Technical Report Series; N.840: WHO Expert Committee On Biological Standardization. Geneva: OMS, 1994.
Παραπομπή MLAOMS. WHO Technical Report Series; N.840: WHO Expert Committee On Biological Standardization. Geneva: OMS, 1994.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.