Não informado. New Jersey Agriculture. Rutgers University, New Jersey College of Agriculture.
Chicago-referens (17:e uppl.)Não informado. New Jersey Agriculture. New Brunswick, NJ: Rutgers University, New Jersey College of Agriculture.
MLA-referens (8:e uppl.)Não informado. New Jersey Agriculture. Rutgers University, New Jersey College of Agriculture.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.