National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, & Fekpe, E. (2003). Quality and accuracy of positional data in transportation. Transportation Research Board, National Research Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, और Edward Fekpe. Quality and Accuracy of Positional Data in Transportation. Washington, D.C: Transportation Research Board, National Research Council, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Transportation Research Board, et al. Quality and Accuracy of Positional Data in Transportation. Transportation Research Board, National Research Council, 2003.
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