Não informado. Bulletin of the New Jersey Agricultural Experiment Station. New Jersey Agricultural Experiment Station.
Chicago-referens (17:e uppl.)Não informado. Bulletin of the New Jersey Agricultural Experiment Station. New Brunswick, NJ: New Jersey Agricultural Experiment Station.
MLA-referens (8:e uppl.)Não informado. Bulletin of the New Jersey Agricultural Experiment Station. New Jersey Agricultural Experiment Station.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.