Não informado. Urban and regional technology and development. U.S. Department of Commerce, National Technical Information Service.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Urban and Regional Technology and Development. Springfield, Va: U.S. Department of Commerce, National Technical Information Service.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Urban and Regional Technology and Development. U.S. Department of Commerce, National Technical Information Service.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.