APA-čujuhus (7. p.)
Duncan, J. M., Wright, S. G., & Brandon, T. L. (2014). Soil strength and slope stability (Second edition.). Wiley.
Chicago-čujuhus (17. p.)
Duncan, J. M., Stephen G. Wright, juo Thomas L. Brandon. Soil Strength and Slope Stability. Second edition. Hoboken, New Jersey: Wiley, 2014.
MLA-čujuhus (9. p.)
Duncan, J. M., et al. Soil Strength and Slope Stability. Second edition. Wiley, 2014.
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