Gaya APA
Mapper, E. (19882006).
ER Mapper Geospatial Imagery Solutions ; Customizing ER Mapper version 7.1 31 March 2006 .
:
Earth Resource Mapping Ltd.
Gaya MLA
Mapper, ER.
"ER Mapper Geospatial Imagery Solutions ; Customizing ER Mapper version 7.1 31 March 2006".
:
Earth Resource Mapping Ltd,
19882006.
Buku.