Não informado. (2001). Annual report of the United States Department of Agriculture. U.S. Department of Agriculture.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the United States Department of Agriculture. Washington: U.S. Department of Agriculture, 2001.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the United States Department of Agriculture. U.S. Department of Agriculture, 2001.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.