Gaya APA
Demers, Michael. (2009).
Fundamental of Geographic Information System .
New York:
Wiley Inc.
Gaya Chicago
Demers, Michael.
Fundamental of Geographic Information System.
New York:
Wiley Inc,
2009.
Text.
Gaya MLA
Demers, Michael.
Fundamental of Geographic Information System.
New York:
Wiley Inc,
2009.
Text.
Gaya Turabian
Demers, Michael.
Fundamental of Geographic Information System.
New York:
Wiley Inc,
2009.
Print.