Cunningham, W. P. (2005). Environmental science: A global concern. Boston: McGraw-Hill Higher Education.
Chicago ZitierstilCunningham, William P. Environmental Science: A Global Concern. Boston: McGraw-Hill Higher Education, 2005.
MLA ZitierstilCunningham, William P. Environmental Science: A Global Concern. Boston: McGraw-Hill Higher Education, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.