Não informado. (2001). Special report. Missouri Agricultural Experiment Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Special Report. Columbia, Mo: Missouri Agricultural Experiment Station, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Special Report. Missouri Agricultural Experiment Station, 2001.
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