APA (7e ed.) Bronvermelding

Cunningham, W. P., & Saigo, B. W. (2001). Environmental science: A global concern (6th ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Cunningham, William P., en Barbara Woodworth Saigo. Environmental Science: A Global Concern. 6th ed. Boston: McGraw-Hill, 2001.

MLA (8e ed.) Bronvermelding

Cunningham, William P., en Barbara Woodworth Saigo. Environmental Science: A Global Concern. 6th ed. McGraw-Hill, 2001.