Gaya APA
Kang-tsung, ., Chang, . (2006).
Introduction to geographic information systems (third edition).
:
The McGraw-Hill.USA.
Gaya MLA
Kang-tsung, ., Chang, .
"Introduction to geographic information systems".
third edition
:
The McGraw-Hill.USA,
2006.
Skripsi, Tesis, Disertasi.