Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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