APA-referens (7:e uppl.)

Montgomery, C. W. (2011). Environmental geology (9th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Montgomery, Carla W. Environmental Geology. 9th ed. Dubuque, IA: McGraw-Hill, 2011.

MLA-referens (9:e uppl.)

Montgomery, Carla W. Environmental Geology. 9th ed. McGraw-Hill, 2011.