Nash, H., & McCall, G. J. H. (1995). Ground Water Quality. Chapman.
Chicago Style aipamenaNash, H., and G J H. McCall. Ground Water Quality. London: Chapman, 1995.
MLA aipamenaNash, H., and G J H. McCall. Ground Water Quality. Chapman, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.