Cunningham, W. P. 2., Cunningham, M. A. 2., & Saigo, B. W. 3. (2005). Environmental science: A global concern. New York : McGraw-Hill.
Chicago-čujuhus (17. p.)Cunningham, William P. 265156, Mary Ann 229929 Cunningham, juo Barbara Woodworth 330138 Saigo. Environmental Science: A Global Concern. New York : McGraw-Hill, 2005.
MLA-čujuhus (9. p.)Cunningham, William P. 265156, et al. Environmental Science: A Global Concern. New York : McGraw-Hill, 2005.
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