(1985). Highway Capacity Manual Special Report 209. National Research Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHighway Capacity Manual Special Report 209. National Research Council, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHighway Capacity Manual Special Report 209. National Research Council, 1985.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.