APA (7. basım) Alıntı

Environmental Careers Organization & ebrary, Inc. (2004). The ECO guide to careers that make a difference. Island Press.

Chicago Style (17. basım) Atıf

Environmental Careers Organization ve Inc ebrary. The ECO Guide to Careers That Make a Difference. Washington: Island Press, 2004.

MLA (9th ed.) Atıf

Environmental Careers Organization ve Inc ebrary. The ECO Guide to Careers That Make a Difference. Island Press, 2004.