Duncan, J. M., Wright, S. G. 1., Wright, S. G. 1., & Wright, S. G. (2005). Soil strength and slope stability. Hoboken, N.J.: John Wiley & Sons.
Παραπομπή Chicago StyleDuncan, J. M., Stephen G 1943- Wright, Stephen G. 1943- Wright, and Stephen G. Wright. Soil Strength and Slope Stability. Hoboken, N.J.: John Wiley & Sons, 2005.
Παραπομπή MLADuncan, J. M., Stephen G 1943- Wright, Stephen G. 1943- Wright, and Stephen G. Wright. Soil Strength and Slope Stability. Hoboken, N.J.: John Wiley & Sons, 2005.
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