APA-viite (7. p.)
ebrary, Inc, & Nelson, G. C. (2001). Genetically modified organisms in agriculture: Economics and politics. Academic Press.
Chicago-viite (17. p.)
ebrary, Inc, ja Gerald C. Nelson. Genetically Modified Organisms in Agriculture: Economics and Politics. San Diego, CA: Academic Press, 2001.
MLA-viite (9. p.)
ebrary, Inc, ja Gerald C. Nelson. Genetically Modified Organisms in Agriculture: Economics and Politics. Academic Press, 2001.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.