National Research Council (U.S.). Transportation Research Board & National Cooperative Highway Research Program. (1998). Pavement marking assessment system (PAMAS). Transportation Research Board, National Research Council.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNational Research Council (U.S.). Transportation Research Board এবং National Cooperative Highway Research Program. Pavement Marking Assessment System (PAMAS). Washington, D.C: Transportation Research Board, National Research Council, 1998.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিNational Research Council (U.S.). Transportation Research Board এবং National Cooperative Highway Research Program. Pavement Marking Assessment System (PAMAS). Transportation Research Board, National Research Council, 1998.
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