Não informado. (1975). Cotton and wool situation. U.S. Department of Agriculture, Economic Research Service.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Cotton and Wool Situation. Washington: U.S. Department of Agriculture, Economic Research Service, 1975.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Cotton and Wool Situation. U.S. Department of Agriculture, Economic Research Service, 1975.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.