Clark, I. D., & Fritz Peter. (1997). Environmental Isotopes In Hydrogeology. CRC Press.
Chicago Style (17th ed.) ZitazioaClark, Ian D., eta Fritz Peter. Environmental Isotopes In Hydrogeology. London: CRC Press, 1997.
MLA (9th ed.) ZitazioaClark, Ian D., eta Fritz Peter. Environmental Isotopes In Hydrogeology. CRC Press, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.