Randall, A. (1987). Resource economics: An economic approach to natural resource and environmental policy (2nd ed.). John Willey & Sons.
Chicago-čujuhus (17. p.)Randall, Alan. Resource Economics: An Economic Approach to Natural Resource and Environmental Policy. 2nd ed. New York: John Willey & Sons, 1987.
MLA-čujuhus (9. p.)Randall, Alan. Resource Economics: An Economic Approach to Natural Resource and Environmental Policy. 2nd ed. John Willey & Sons, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.