ebrary, Inc, Cohen, G., & O'Connor, J. T. (1990). Fighting toxics: A manual for protecting your family, community, and workplace. Island Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, Gary Cohen, और John T. O'Connor. Fighting Toxics: A Manual for Protecting Your Family, Community, and Workplace. Washington, D.C.: Island Press, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. Fighting Toxics: A Manual for Protecting Your Family, Community, and Workplace. Island Press, 1990.
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