Shi, W., & Fisher, P. F. G. (2002). Spatial data quality. Taylor & Francis.
Chicago Style aipamenaShi, Wenzhong, and Peter F. Goodchild Fisher. Spatial Data Quality. London: Taylor & Francis, 2002.
MLA aipamenaShi, Wenzhong, and Peter F. Goodchild Fisher. Spatial Data Quality. Taylor & Francis, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.