Cunningham, W. P. (2005). Environmental science: A global concern. Boston, MA: McGraw-Hill Higher Education.
Chicago Style citaatCunningham, William P. Environmental Science: A Global Concern. Boston, MA: McGraw-Hill Higher Education, 2005.
MLA citatieCunningham, William P. Environmental Science: A Global Concern. Boston, MA: McGraw-Hill Higher Education, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.