APA (7 ম সংস্করণ) উদ্ধৃতি

National Research Council (U.S.). Transportation Research Board. (1990). Research problem statements: Operation, safety and maintenance of transportation facilities. Transportation Research Board, National Research Council.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

National Research Council (U.S.). Transportation Research Board. Research Problem Statements: Operation, Safety and Maintenance of Transportation Facilities. Washington, D.C: Transportation Research Board, National Research Council, 1990.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

National Research Council (U.S.). Transportation Research Board. Research Problem Statements: Operation, Safety and Maintenance of Transportation Facilities. Transportation Research Board, National Research Council, 1990.