(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.
芝加哥风格引文World 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.
MLA引文World Trade, Food and Agriculture: A Look at the World Trade Organization, Genetically Modified Organisms and the Issue of Food Security. Heinrich Boll Foundation, 2001.
警告：这些引文格式不一定是100％准确.