University of Sydney. School of Civil Engineering & Campbell-Allen, D. (1977). Avoiding trouble in structural concrete: Post-graduate course.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Sydney. School of Civil Engineering और D. Campbell-Allen. Avoiding Trouble in Structural Concrete: Post-graduate Course. Sydney, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity of Sydney. School of Civil Engineering और D. Campbell-Allen. Avoiding Trouble in Structural Concrete: Post-graduate Course. 1977.
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