Não informado. (2003). Cooperative plant pest report. U.S. Department of Agriculture, Animal and Plant Health Inspection Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Cooperative Plant Pest Report. Hyattsville, Md: U.S. Department of Agriculture, Animal and Plant Health Inspection Service, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Cooperative Plant Pest Report. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.