Não informado. (2009). Phytopathology News. American Phytopathological Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Phytopathology News. Saint Paul, Minn: American Phytopathological Society, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Phytopathology News. American Phytopathological Society, 2009.
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