APA (7th ed.) Zitazioa
European Science Foundation, ebrary, Inc, Gatrell, A. C., & Löytönen, M. (1998). GIS and health. Taylor & Francis.
Chicago Style (17th ed.) Zitazioa
European Science Foundation, Inc ebrary, Anthony C. Gatrell, eta Markku Löytönen. GIS and Health. London ; Philadelphia, PA: Taylor & Francis, 1998.
MLA (9th ed.) Zitazioa
European Science Foundation, et al. GIS and Health. Taylor & Francis, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.