Wright, R. T., & Boorse, D. (2011). Environmental science: Toward a sustainable future (11th ed.). Benjamin Cummings ; PHI Learning Pvt. Ltd..
Lua i Stíl Chicago (17ú heag.)Wright, Richard T., agus Dorothy Boorse. Environmental Science: Toward a Sustainable Future. 11th ed. Boston: Benjamin Cummings ; PHI Learning Pvt. Ltd., 2011.
Lua MLA (8ú heag.)Wright, Richard T., agus Dorothy Boorse. Environmental Science: Toward a Sustainable Future. 11th ed. Benjamin Cummings ; PHI Learning Pvt. Ltd., 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.