APA (7th ed.) Zitazioa
ebrary, Inc. (2000). Investigating groundwater systems on regional and national scales. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. Investigating Groundwater Systems on Regional and National Scales. Washington, D.C. ; [Great Britain]: National Academy Press, 2000.
MLA (9th ed.) Zitazioa
ebrary, Inc. Investigating Groundwater Systems on Regional and National Scales. National Academy Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.