TransTech Management, Inc, National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, & American Association of State Highway and Transportation Officials. (2005). Surface transportation security. Transportation Research Board.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTransTech Management, Inc, National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, और American Association of State Highway and Transportation Officials. Surface Transportation Security. Washington, D.C: Transportation Research Board, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTransTech Management, Inc, et al. Surface Transportation Security. Transportation Research Board, 2005.
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