Dyfyniad APA

Gatehouse, A. M. R., & Ferry, N. (2009). Environmental impact of genetically modified crops. CAB International.

Dyfyniad Arddull Chicago

Gatehouse, A. M. R., and Natalie Ferry. Environmental Impact of Genetically Modified Crops. UK: CAB International, 2009.

Dyfyniad MLA

Gatehouse, A. M. R., and Natalie Ferry. Environmental Impact of Genetically Modified Crops. CAB International, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.