Environmental Careers Organization & ebrary, Inc. (2004). The ECO guide to careers that make a difference. Island Press.
Style de citation Chicago (17e éd.)Environmental Careers Organization et Inc ebrary. The ECO Guide to Careers That Make a Difference. Washington: Island Press, 2004.
Style de citation MLA (9e éd.)Environmental Careers Organization et Inc ebrary. The ECO Guide to Careers That Make a Difference. Island Press, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.