Gaya APA

Duncan, J. Michael, Wright, Stephen G.. (2005). Soil strength and slope stability . Hobogen,NJ: John Wiley & Sons.

Gaya Chicago

Duncan, J. Michael, Wright, Stephen G.. Soil strength and slope stability. Hobogen,NJ: John Wiley & Sons, 2005. Text.

Gaya MLA

Duncan, J. Michael, Wright, Stephen G.. Soil strength and slope stability. Hobogen,NJ: John Wiley & Sons, 2005. Text.

Gaya Turabian

Duncan, J. Michael, Wright, Stephen G.. Soil strength and slope stability. Hobogen,NJ: John Wiley & Sons, 2005. Print.