Buckley, R., Kontoe, S., Jardine, R., Barbosa, P., & Schroeder, F. (2020). Pile driveability in low-to-medium density chalk. NRC Research Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBuckley, R., S. Kontoe, R. Jardine, P. Barbosa, और F. Schroeder. Pile Driveability in Low-to-medium Density Chalk. NRC Research Press, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBuckley, R., et al. Pile Driveability in Low-to-medium Density Chalk. NRC Research Press, 2020.
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