APA Edition Citation

Wilpen L.Gorr. (2004). Learning and using Geographic Information Systems. Cengage.

Chicago Edition Citation

Wilpen L.Gorr. Learning and Using Geographic Information Systems. Australia: Cengage, 2004.

MLA Edition Citation

Wilpen L.Gorr. Learning and Using Geographic Information Systems. Cengage, 2004.

Warning: These citations may not always be 100% accurate.