APA-referens (7:e uppl.)
Kershen, D. L. (2002). Agricultural biotechnology: Environmental benefits for identifiable environmental problems. Environmental Law Institute.
Chicago-referens (17:e uppl.)
Kershen, Drew L. Agricultural Biotechnology: Environmental Benefits for Identifiable Environmental Problems. Washington, D.C.: Environmental Law Institute, 2002.
MLA-referens (9:e uppl.)
Kershen, Drew L. Agricultural Biotechnology: Environmental Benefits for Identifiable Environmental Problems. Environmental Law Institute, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.