Não informado. (1925). Bimonthly bulletin of the Ohio Agricultural Experiment Station. Ohio Agricultural Experiment Station.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Bimonthly Bulletin of the Ohio Agricultural Experiment Station. Wooster, Ohio: Ohio Agricultural Experiment Station, 1925.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Bimonthly Bulletin of the Ohio Agricultural Experiment Station. Ohio Agricultural Experiment Station, 1925.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.