APA Style

Keranen, K, ;, K, R. (2008). Making Spatial Decision using GIS 4 : Our World GIS Education, Level 4 . : ESRI press.

MLA Style

Keranen, Kathryn, ;, Kolvoord,, Robert. "Making Spatial Decision using GIS 4 : Our World GIS Education, Level 4". : ESRI press, 2008. BOOK.