Cunningham, W. P., & Saigo, B. W. (1992). Environmental science: A global concern (2nd ed.). Wm. C. Brown.
Chicago Style (17. basım) AtıfCunningham, William P., ve Barbara Woodworth Saigo. Environmental Science: A Global Concern. 2nd ed. Dubuque, Iowa: Wm. C. Brown, 1992.
MLA (9th ed.) AtıfCunningham, William P., ve Barbara Woodworth Saigo. Environmental Science: A Global Concern. 2nd ed. Wm. C. Brown, 1992.
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