APA引文

Duncan, J. M. (2005). Soil strength and slope stability. New Jersey: John Wiley and Sons.

Trích dẫn kiểu Chicago

Duncan, 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.