APA-čujuhus (7. p.)
ebrary, Inc. (1994). Assigning economic value to natural resources. National Academy Press.
Chicago-čujuhus (17. p.)
ebrary, Inc. Assigning Economic Value to Natural Resources. Washington, D.C.: National Academy Press, 1994.
MLA-čujuhus (9. p.)
ebrary, Inc. Assigning Economic Value to Natural Resources. National Academy Press, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.