Não informado. (1947). Ohio farm and home research. Ohio Agricultural Experiment Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Ohio Farm and Home Research. Wooster, Ohio: Ohio Agricultural Experiment Station, 1947.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Ohio Farm and Home Research. Ohio Agricultural Experiment Station, 1947.
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