Não informado. (1968). Biological abstracts list of serials with title abbreviations. Biosciences Information Service of Biological Abstracts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Biological Abstracts List of Serials with Title Abbreviations. Philadelphia, Pa: Biosciences Information Service of Biological Abstracts, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Biological Abstracts List of Serials with Title Abbreviations. Biosciences Information Service of Biological Abstracts, 1968.
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