National Research Council (U.S.). Highway Research Board. (1973). Air pollution controls for urban transportation: 8 reports. Highway Research Board, National Research Council.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNational Research Council (U.S.). Highway Research Board. Air Pollution Controls for Urban Transportation: 8 Reports. Washington, D.C: Highway Research Board, National Research Council, 1973.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিNational Research Council (U.S.). Highway Research Board. Air Pollution Controls for Urban Transportation: 8 Reports. Highway Research Board, National Research Council, 1973.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.