(2001). World trade, food and agriculture: A look at the world trade organization, genetically modified organisms and the issue of food security. Heinrich Boll Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Trade, Food and Agriculture: A Look at the World Trade Organization, Genetically Modified Organisms and the Issue of Food Security. Washington, D. C.: Heinrich Boll Foundation, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Trade, Food and Agriculture: A Look at the World Trade Organization, Genetically Modified Organisms and the Issue of Food Security. Heinrich Boll Foundation, 2001.
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