Merkoša sitáhtat

APA-čujuhus (7. p.)
ebrary, Inc, & Dawsen, C. J. (2011). Geographic information systems. Nova Science Publishers.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Christopher J. Dawsen. Geographic Information Systems. New York: Nova Science Publishers, 2011.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Christopher J. Dawsen. Geographic Information Systems. Nova Science Publishers, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.