National Research Council (U.S.). Transportation Research Board. (1998). Testing of conventional and unconventional aggregates and soils. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Transportation Research Board. Testing of Conventional and Unconventional Aggregates and Soils. Washington, D.C: National Academy Press, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Transportation Research Board. Testing of Conventional and Unconventional Aggregates and Soils. National Academy Press, 1998.
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