APA citiranje
Environmental Careers Organization & ebrary, Inc. (2004). The ECO guide to careers that make a difference. Island Press.
Chicago Style (17th ed.) Citation
Environmental Careers Organization and Inc ebrary. The ECO Guide to Careers That Make a Difference. Washington: Island Press, 2004.
MLA citiranje
Environmental Careers Organization and Inc ebrary. The ECO Guide to Careers That Make a Difference. Island Press, 2004.
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