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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Federal Transit Administration, Transit Cooperative Research Program, National Research Council (U.S.). Transportation Research Board, Donna L. Vlasak, और Jon Williams. Synthesis of Information Related to Transit Problems. [Washington, D.C.]: Transportation Research Board, National Research Council, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited States. Federal Transit Administration, et al. Synthesis of Information Related to Transit Problems. Transportation Research Board, National Research Council, 2006.