APA-čujuhus (7. p.)

Edited by Onsrud , H. (1999). Geographic information research. Taylor and Francis.

Chicago-čujuhus (17. p.)

Edited by Onsrud , Harlan. Geographic Information Research. London: Taylor and Francis, 1999.

MLA-čujuhus (9. p.)

Edited by Onsrud , Harlan. Geographic Information Research. Taylor and Francis, 1999.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.