Não informado. (2008). Gas & Liquid Chromatography Literature, Abstracts & Index. Preston Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Gas & Liquid Chromatography Literature, Abstracts & Index. Niles, Ill: Preston Publications, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Gas & Liquid Chromatography Literature, Abstracts & Index. Preston Publications, 2008.
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