Perman, R., Yue, M., & McGilvray, J. (1996). Natural resources and environmental economics. Longman.
Chicago Style aipamenaPerman, Roger, Ma Yue, and James McGilvray. Natural Resources and Environmental Economics. London: Longman, 1996.
MLA aipamenaPerman, Roger, et al. Natural Resources and Environmental Economics. Longman, 1996.
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