(1986). Civil Engineer's Reference Book Edited By L.s. Blake. Butterworths.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCivil Engineer's Reference Book Edited By L.s. Blake. Butterworths, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCivil Engineer's Reference Book Edited By L.s. Blake. Butterworths, 1986.
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