Gaya APA

H, G, D., T, L, A. (1982). Biotechnical Slope Protection And Erosion Control . New York: Van Nostrand Reinhold Company.

Gaya MLA

H, Gray, Donald., T, Leiser, Andrew. "Biotechnical Slope Protection And Erosion Control". New York: Van Nostrand Reinhold Company, 1982. Text.