Easton, T. A. (2009). Taking sides: Clashing views on environmental issues (13th ed.). McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEaston, Thomas A. Taking Sides: Clashing Views on Environmental Issues. 13th ed. Boston: McGraw-Hill, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEaston, Thomas A. Taking Sides: Clashing Views on Environmental Issues. 13th ed. McGraw-Hill, 2009.
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