ebrary, Inc, Burrough, P. A., & Masser, I. (1998). European geographic information infrastructures: Opportunities and pitfalls. Taylor & Francis.
Chicago-čujuhus (17. p.)ebrary, Inc, P. A. Burrough, juo Ian Masser. European Geographic Information Infrastructures: Opportunities and Pitfalls. London ; Bristol, PA: Taylor & Francis, 1998.
MLA-čujuhus (9. p.)ebrary, Inc, et al. European Geographic Information Infrastructures: Opportunities and Pitfalls. Taylor & Francis, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.