Rahn, P. H. (1996). Engineering geology: An environmental approach (2nd ed.). Upper Saddle River, N.J.: Prentice Hall PTR.
Παραπομπή Chicago StyleRahn, Perry H. Engineering Geology: An Environmental Approach. 2nd ed. Upper Saddle River, N.J.: Prentice Hall PTR, 1996.
Παραπομπή MLARahn, Perry H. Engineering Geology: An Environmental Approach. 2nd ed. Upper Saddle River, N.J.: Prentice Hall PTR, 1996.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.