ebrary, Inc. (1995). Measuring and improving infrastructure performance. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc. Measuring and Improving Infrastructure Performance. Washington, DC: National Academy Press, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc. Measuring and Improving Infrastructure Performance. National Academy Press, 1995.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.