Não informado. (1976). BIOSIS Technical Topics. Biosciences Information Service of Biological Abstracts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. BIOSIS Technical Topics. Philadelphia, Pa: Biosciences Information Service of Biological Abstracts, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. BIOSIS Technical Topics. Biosciences Information Service of Biological Abstracts, 1976.
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