Não informado. (1955). Vermont farm and home science. Vermont Agricultural Experiment Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Vermont Farm and Home Science. Burlington, Vt: Vermont Agricultural Experiment Station, 1955.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Vermont Farm and Home Science. Vermont Agricultural Experiment Station, 1955.
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