Gaya APA

Mapper, E. (1988). ER Mapper Geospatial Imagery Solutions ; ER Mapper profesional airphoto mosaic tutorial version 7.1 31 March 2006 . : Earth Resource Mapping Ltd.

Gaya MLA

Mapper, ER. "ER Mapper Geospatial Imagery Solutions ; ER Mapper profesional airphoto mosaic tutorial version 7.1 31 March 2006". : Earth Resource Mapping Ltd, 1988. Buku.