Alley, E. R. (2000). Water quality control hand book. Mc Graw- Hill.
Chicago Style aipamenaAlley, E. Roberts. Water Quality Control Hand Book. New York: Mc Graw- Hill, 2000.
MLA aipamenaAlley, E. Roberts. Water Quality Control Hand Book. Mc Graw- Hill, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.