Não informado. (2000). Bulletin of the New York State Agricultural Experiment Station, Ithaca. New York State Agricultural Experiment Station.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of the New York State Agricultural Experiment Station, Ithaca. Ithaca, NY: New York State Agricultural Experiment Station, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of the New York State Agricultural Experiment Station, Ithaca. New York State Agricultural Experiment Station, 2000.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.