Veder, C. (1981). Landslides and their stabilization. Springer- Verlag.
Dyfyniad Arddull ChicagoVeder, Christian. Landslides and Their Stabilization. New York: Springer- Verlag, 1981.
Dyfyniad MLAVeder, Christian. Landslides and Their Stabilization. Springer- Verlag, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.