Duncan, J. M. (2005). Soil strength and slope stability. New Jersey: John Wiley and Sons.
Trích dẫn kiểu ChicagoDuncan, J. Michael. Soil Strength and Slope Stability. New Jersey: John Wiley and Sons, 2005.
MLA引文Duncan, J. Michael. Soil Strength and Slope Stability. New Jersey: John Wiley and Sons, 2005.
警告:這些引文格式不一定是100%准確.