Não informado. (1934). News for farmer cooperatives. Department of Agriculture, Farmers Cooperative Service.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. News for Farmer Cooperatives. Washington: Department of Agriculture, Farmers Cooperative Service, 1934.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. News for Farmer Cooperatives. Department of Agriculture, Farmers Cooperative Service, 1934.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.
