Não informado. (2004). Government Reports Announcements & Index. U.S. Department of Commerce, National Technical Information Service.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Government Reports Announcements & Index. Springfield, Va: U.S. Department of Commerce, National Technical Information Service, 2004.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Government Reports Announcements & Index. U.S. Department of Commerce, National Technical Information Service, 2004.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.