ebrary, Inc, Ferry, N., & Gatehouse, A. M. R. (2009). Environmental impact of genetically modified crops. CABI.
芝加哥风格引文ebrary, Inc, Natalie Ferry, 与 A. M. R. Gatehouse. Environmental Impact of Genetically Modified Crops. Cambridge, MA: CABI, 2009.
MLA引文ebrary, Inc, et al. Environmental Impact of Genetically Modified Crops. CABI, 2009.
警告：这些引文格式不一定是100％准确.