Não informado. (1951). Bio-sciences newsletter. American Institute of Biological Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bio-sciences Newsletter. Boston, Mass: American Institute of Biological Sciences, 1951.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bio-sciences Newsletter. American Institute of Biological Sciences, 1951.
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