Dyfyniad APA
ebrary, Inc, Ferry, N., & Gatehouse, A. M. R. (2009). Environmental impact of genetically modified crops. CABI.
Dyfyniad Arddull Chicago
ebrary, Inc, Natalie Ferry, and A. M. R. Gatehouse. Environmental Impact of Genetically Modified Crops. Cambridge, MA: CABI, 2009.
Dyfyniad MLA
ebrary, Inc, et al. Environmental Impact of Genetically Modified Crops. CABI, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.