CERNICA, J. N. C., & CERNICA, J. N. C. (1995). Geotechnical Engineering Soil Mechanics John N. Cernica. John Willey and Sons, Inc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCERNICA, John N Cernica, और John N Cernica CERNICA. Geotechnical Engineering Soil Mechanics John N. Cernica. John Willey and Sons, Inc, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCERNICA, John N Cernica, और John N Cernica CERNICA. Geotechnical Engineering Soil Mechanics John N. Cernica. John Willey and Sons, Inc, 1995.
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