Gaya APA

Cornforth, D, H. (2005). Landslides in Practice : Investigation, Analysis and Remedial/ Preventative Options In Soils . New Jersey: Jhon Wiley & Sons, Inc..

Gaya MLA

Cornforth, Derek, H.. "Landslides in Practice : Investigation, Analysis and Remedial/ Preventative Options In Soils". New Jersey: Jhon Wiley & Sons, Inc., 2005. Text.