(2003). Guidelines for the use of GPS in surveying and mapping. RICS Books.
Chicago Style aipamenaGuidelines for the Use of GPS in Surveying and Mapping. RICS Books, 2003.
MLA aipamenaGuidelines for the Use of GPS in Surveying and Mapping. RICS Books, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.