Gaya APA

-, . (1987). Geographic Information Systems for Resource Management : A Compendium . : American Society for Photogrametry and Remote Sensing and American Congress on Survevyyng and Mappin.

Gaya MLA

-, . "Geographic Information Systems for Resource Management : A Compendium". : American Society for Photogrametry and Remote Sensing and American Congress on Survevyyng and Mappin, 1987. Text.