Não informado. (1946). Annual cotton quality survey. U.S. Department of Agriculture, Production and Marketing.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Annual Cotton Quality Survey. Washington: U.S. Department of Agriculture, Production and Marketing, 1946.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Annual Cotton Quality Survey. U.S. Department of Agriculture, Production and Marketing, 1946.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.