SINGH, B., & GUPTA, D. (1981). Soil mechanics and foundation engineering for degree andAMIE sectin B (new scheme) diploma, final year students. Katson Publishing House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSINGH, Bharat, और D.L GUPTA. Soil Mechanics and Foundation Engineering for Degree AndAMIE Sectin B (new Scheme) Diploma, Final Year Students. Ludhiana: Katson Publishing House, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSINGH, Bharat, और D.L GUPTA. Soil Mechanics and Foundation Engineering for Degree AndAMIE Sectin B (new Scheme) Diploma, Final Year Students. Katson Publishing House, 1981.
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