Não informado. (1968). Gas Chromatography Literature: Abstracts and Index. Preston Publications.
Chicago (17e ed.) BronvermeldingNão informado. Gas Chromatography Literature: Abstracts and Index. Niles, Ill: Preston Publications, 1968.
MLA (8e ed.) BronvermeldingNão informado. Gas Chromatography Literature: Abstracts and Index. Preston Publications, 1968.
Let op: Deze citaties zijn niet altijd 100% accuraat.