European Weed Research Council. (1961). Weed research. Blackwell Scientific Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEuropean Weed Research Council. Weed Research. Oxford, Inglaterra: Blackwell Scientific Publications, 1961.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEuropean Weed Research Council. Weed Research. Blackwell Scientific Publications, 1961.
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