BOWLES, J. E., & BOWLES, J. E. (1974). Analytical And Computer Methods In Foundation Engineering / Joseph E.bowles. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBOWLES, Joseph E., और Joseph E. BOWLES. Analytical And Computer Methods In Foundation Engineering / Joseph E.bowles. McGraw-Hill, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBOWLES, Joseph E., और Joseph E. BOWLES. Analytical And Computer Methods In Foundation Engineering / Joseph E.bowles. McGraw-Hill, 1974.
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