Charles D Kolstand. (2011). Intermediate Environmental Economics (2ed.). Oxford University Press.
Chicago-čujuhus (17. p.)Charles D Kolstand. Intermediate Environmental Economics. 2ed. New Delhi: Oxford University Press, 2011.
MLA-čujuhus (9. p.)Charles D Kolstand. Intermediate Environmental Economics. 2ed. Oxford University Press, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.