Dyfyniad APA

Nelson,C Gerald. (2001). Genetically modified organisams in agriculture economics and politics. Academic press.

Dyfyniad Arddull Chicago

Nelson,C Gerald. Genetically Modified Organisams in Agriculture Economics and Politics. San Diego: Academic press, 2001.

Dyfyniad MLA

Nelson,C Gerald. Genetically Modified Organisams in Agriculture Economics and Politics. Academic press, 2001.

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