Duncan, J. M. (2005). Soil strength and slope stability. New Jersey: John Wiley and Sons.
Stile di citazione ChicagoDuncan, J. Michael. Soil Strength and Slope Stability. New Jersey: John Wiley and Sons, 2005.
Citazione MLADuncan, J. Michael. Soil Strength and Slope Stability. New Jersey: John Wiley and Sons, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.