APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.