Gaya APA
Sherman. (2008).
Desktop GIS mapping the planet with open source tools .
CHINA:
The Pragmatic.
Gaya Chicago
Sherman.
Desktop GIS mapping the planet with open source tools.
CHINA:
The Pragmatic,
2008.
Text.
Gaya MLA
Sherman.
Desktop GIS mapping the planet with open source tools.
CHINA:
The Pragmatic,
2008.
Text.
Gaya Turabian
Sherman.
Desktop GIS mapping the planet with open source tools.
CHINA:
The Pragmatic,
2008.
Print.