Não informado. (1938). Proceedings of the Society of Agricultural Bacteriologists. Society of Agricultural Bacteriologists.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the Society of Agricultural Bacteriologists. Reading, Inglaterra: Society of Agricultural Bacteriologists, 1938.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the Society of Agricultural Bacteriologists. Society of Agricultural Bacteriologists, 1938.
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