Não informado. (1993). Medical & Pharmaceutical Biotechnology Abstracts. Cambridge Scientific Abstracts.
Chicago (17e ed.) BronvermeldingNão informado. Medical & Pharmaceutical Biotechnology Abstracts. Bethesda, Md: Cambridge Scientific Abstracts, 1993.
MLA (8e ed.) BronvermeldingNão informado. Medical & Pharmaceutical Biotechnology Abstracts. Cambridge Scientific Abstracts, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.