Não informado. (2001). Annual report of the Ohio Agricultural Experiment Station. Ohio Agricultural Experiment Station.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annual Report of the Ohio Agricultural Experiment Station. Wooster, Ohio: Ohio Agricultural Experiment Station, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annual Report of the Ohio Agricultural Experiment Station. Ohio Agricultural Experiment Station, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.