Blatt, H. (1998). Laboratory exercises in Environmental Geology (2nd ed.). McGraw-Hill.
Chicago-referens (17:e uppl.)Blatt, Harvey. Laboratory Exercises in Environmental Geology. 2nd ed. Boston: McGraw-Hill, 1998.
MLA-referens (9:e uppl.)Blatt, Harvey. Laboratory Exercises in Environmental Geology. 2nd ed. McGraw-Hill, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.