Cunningham, W. P., & Cunningham, M. A. (2015). Environmental science: A global concern (Thirteenth edition.). McGraw-Hill Education.
Chicago (17e ed.) BronvermeldingCunningham, William P., en Mary Ann Cunningham. Environmental Science: A Global Concern. Thirteenth edition. New York, NY: McGraw-Hill Education, 2015.
MLA (9e ed.) BronvermeldingCunningham, William P., en Mary Ann Cunningham. Environmental Science: A Global Concern. Thirteenth edition. McGraw-Hill Education, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.