Gaya APA
Machmud, A., Chambers, R. (2006).
A to Z GIS: an illustrated dictionary of geographic information systems .
California:
ESRI Press.
Gaya MLA
Machmud, Amir., Chambers, Robert.
"A to Z GIS: an illustrated dictionary of geographic information systems".
California:
ESRI Press,
2006.
Text.