Najafi, M., & Gokhale, S. (2005). Trenchless technology: Pipeline and utility design, construction, and renewal. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNajafi, Mohammad, और Sanjiv Gokhale. Trenchless Technology: Pipeline and Utility Design, Construction, and Renewal. New York: McGraw-Hill, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNajafi, Mohammad, और Sanjiv Gokhale. Trenchless Technology: Pipeline and Utility Design, Construction, and Renewal. McGraw-Hill, 2005.
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