Kula, E. (1998). History of environmental economic thought. Routledge.
Chicago-čujuhus (17. p.)Kula, Erhun. History of Environmental Economic Thought. London ; New York: Routledge, 1998.
MLA-čujuhus (9. p.)Kula, Erhun. History of Environmental Economic Thought. Routledge, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.