DAY, R. W. (1999). Forensic geotechnical and foundation engineering. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDAY, Robert W. Forensic Geotechnical and Foundation Engineering. New York: McGraw-Hill, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDAY, Robert W. Forensic Geotechnical and Foundation Engineering. McGraw-Hill, 1999.
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