Wright, R. T., & Boorse, D. (2011). Environmental science: Toward a sustainable future (11th ed.). Benjamin Cummings ; PHI Learning Pvt. Ltd..
Cita Chicago (17th ed.)Wright, Richard T., i Dorothy Boorse. Environmental Science: Toward a Sustainable Future. 11th ed. Boston: Benjamin Cummings ; PHI Learning Pvt. Ltd., 2011.
Cita MLA (8th ed.)Wright, Richard T., i Dorothy Boorse. Environmental Science: Toward a Sustainable Future. 11th ed. Benjamin Cummings ; PHI Learning Pvt. Ltd., 2011.
Atenció: Aquestes cites poden no estar 100% correctes.