Gaya APA

Easton, T, A. (2011). Taking Sides : Clashing Views on Enviromental Issues 14'th Ed. (14). New York: McGraw Hill Companies.

Gaya MLA

Easton, Thomas, A.. "Taking Sides : Clashing Views on Enviromental Issues 14'th Ed.". 14 New York: McGraw Hill Companies, 2011. Text.