Não informado. (1934). Farm research. New York State Agricultural Experiment Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Farm Research. Geneva, NY: New York State Agricultural Experiment Station, 1934.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Farm Research. New York State Agricultural Experiment Station, 1934.
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