Cunningham, W. P., & Saigo, B. W. (1995). Environmental science: A global concern (3rd ed.). Wm. C. Brown Publishers.
Chicago-čujuhus (17. p.)Cunningham, Willim P., juo Barabra Woodworth Saigo. Environmental Science: A Global Concern. 3rd ed. Boston: Wm. C. Brown Publishers, 1995.
MLA-čujuhus (9. p.)Cunningham, Willim P., juo Barabra Woodworth Saigo. Environmental Science: A Global Concern. 3rd ed. Wm. C. Brown Publishers, 1995.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.