(1992). Pavement surface properties: Roughness, rutting, skid resistance, and surface distress. Transportation Research Board, National Research Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPavement Surface Properties: Roughness, Rutting, Skid Resistance, and Surface Distress. Washington, D.C: Transportation Research Board, National Research Council, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPavement Surface Properties: Roughness, Rutting, Skid Resistance, and Surface Distress. Transportation Research Board, National Research Council, 1992.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.