Montgomery, C. W. (2011). Environmental geology (Ninth edition.). McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Montgomery, Carla W. Environmental Geology. Ninth edition. New York, NY: McGraw-Hill, 2011.
Citatione MLA (9a ed.)Montgomery, Carla W. Environmental Geology. Ninth edition. McGraw-Hill, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.