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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDEPARTEMENT, of the Navy. Naval Facilities Engineering Command. Design Manual. Soil Mechanics Foundations, And Earth Structures. Navfac, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDEPARTEMENT, of the Navy. Naval Facilities Engineering Command. Design Manual. Soil Mechanics Foundations, And Earth Structures. Navfac, 1971.
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