Crucible Group. (1994). People, plants, and patents: The impact of intellectual property on biodiversity, conservation, trade, and rural society. International Development Research Centre.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrucible Group. People, Plants, and Patents: The Impact of Intellectual Property on Biodiversity, Conservation, Trade, and Rural Society. Ottawa: International Development Research Centre, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCrucible Group. People, Plants, and Patents: The Impact of Intellectual Property on Biodiversity, Conservation, Trade, and Rural Society. International Development Research Centre, 1994.
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