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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited States. Federal Transit Administration, Transit Cooperative Research Program, National Research Council (U.S.). Transportation Research Board, এবং Inc Korve Engineering. Light Rail Service: Vehicular and Pedestrian Safety. [Washington, D.C.]: Transportation Research Board, National Research Council, 1999.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited States. Federal Transit Administration, et al. Light Rail Service: Vehicular and Pedestrian Safety. Transportation Research Board, National Research Council, 1999.