Harris, J. M. (2006). Environmental and natural resource economics: A contemporary approach (2nd ed.). Houghton Mifflin.
Chicago-čujuhus (17. p.)Harris, Jonathan M. Environmental and Natural Resource Economics: A Contemporary Approach. 2nd ed. Boston: Houghton Mifflin, 2006.
MLA-čujuhus (9. p.)Harris, Jonathan M. Environmental and Natural Resource Economics: A Contemporary Approach. 2nd ed. Houghton Mifflin, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.