Não informado. (2022). U.S. Government Research Reports. U.S. Department of Commerce, Office of Technical Services.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. U.S. Government Research Reports. Washington: U.S. Department of Commerce, Office of Technical Services, 2022.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. U.S. Government Research Reports. U.S. Department of Commerce, Office of Technical Services, 2022.
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