Mcgraw-Hill. (2009). McGraw- Hill Encyclopedia of environmental science and engineering (3.).
Chicago ZitierstilMcgraw-Hill. McGraw- Hill Encyclopedia of Environmental Science and Engineering. 3. McGraw-Hill Book Company, England, 2009.
MLA ZitierstilMcgraw-Hill. McGraw- Hill Encyclopedia of Environmental Science and Engineering. 3. 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.