Merkoša sitáhtat
APA-čujuhus (7. p.)
United States. Committee on Improving the Science and Technology Programs of the National Park Service & ebrary, Inc. (1992). Science and the national parks. National Academy Press.
Kopierejuvvon čuohpusbeavdái
Kopieren čuohpusbeavdái ii lihkostuvvan
Chicago-čujuhus (17. p.)
United States. Committee on Improving the Science and Technology Programs of the National Park Service juo Inc ebrary. Science and the National Parks. Washington, D.C.: National Academy Press, 1992.
Kopierejuvvon čuohpusbeavdái
Kopieren čuohpusbeavdái ii lihkostuvvan
MLA-čujuhus (9. p.)
United States. Committee on Improving the Science and Technology Programs of the National Park Service juo Inc ebrary. Science and the National Parks. National Academy Press, 1992.
Kopierejuvvon čuohpusbeavdái
Kopieren čuohpusbeavdái ii lihkostuvvan
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.