HARRIS, F. (1983). Ground Engineering equipment and methods. McGraw-hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHARRIS, Frank. Ground Engineering Equipment and Methods. New York: McGraw-hill, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHARRIS, Frank. Ground Engineering Equipment and Methods. McGraw-hill, 1983.
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