Gaya APA
Bakosurtanal, ., Villanueva, R, B. (2003).
Feasibility study on the development on National geo-spatial data infrastructure in Indonesia .
Cibinong:
Bakosurtanal.
Gaya MLA
Bakosurtanal, ., Villanueva, Robert, B..
"Feasibility study on the development on National geo-spatial data infrastructure in Indonesia".
Cibinong:
Bakosurtanal,
2003.
Text.