APA (7e ed.) Bronvermelding

Cunningham, W. P., & Saigo, B. W. (1995). Environmental science: A global concern (3rd ed.). Wm. C. Brown Publishers.

Chicago (17e ed.) Bronvermelding

Cunningham, Willim P., en Barabra Woodworth Saigo. Environmental Science: A Global Concern. 3rd ed. Boston: Wm. C. Brown Publishers, 1995.

MLA (9e ed.) Bronvermelding

Cunningham, Willim P., en Barabra Woodworth Saigo. Environmental Science: A Global Concern. 3rd ed. Wm. C. Brown Publishers, 1995.