Gaya APA

H., G., B., S. (1996). Biotechnical and Soil Bioengineering Slope Stabilization . : John Wiley & Sons Ltd..

Gaya MLA

H., Gray,Donald., B., Sotir,Robbin. "Biotechnical and Soil Bioengineering Slope Stabilization". : John Wiley & Sons Ltd., 1996. Text.