Penggayaan APA
Geographic Information System Basics. (2012).
:
Creative Commons / Lardbucket.
Chicago Style
Geographic Information System Basics.
.
:
Creative Commons / Lardbucket,
2012.
Text.
MLA Style
Geographic Information System Basics.
.
:
Creative Commons / Lardbucket,
2012.
Text.
Turabian Style
Geographic Information System Basics.
:
Creative Commons / Lardbucket,
2012.
Print.