Randall, A. (1987). Resource economics: : an economic approach to natural resource and environmental policy (2nd ed.). New York: John Wiley & Sons.
Παραπομπή Chicago StyleRandall, Alan. Resource Economics: : An Economic Approach to Natural Resource and Environmental Policy. 2nd ed. New York: John Wiley & Sons, 1987.
Παραπομπή MLARandall, Alan. Resource Economics: : An Economic Approach to Natural Resource and Environmental Policy. 2nd ed. New York: John Wiley & Sons, 1987.
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