Westman, W. E. (1985). Ecology, impact assessment, and environmental planning. Wiley.
Čikaški stil citiranja (17. izdanje)Westman, Walter E. Ecology, Impact Assessment, and Environmental Planning. New York: Wiley, 1985.
MLA način citiranja (9. izdanje)Westman, Walter E. Ecology, Impact Assessment, and Environmental Planning. Wiley, 1985.
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