Alley, E. R. (2000). Water quality control handbook. McGraw-Hill.
Chicago Style aipamenaAlley, E. Roberts. Water Quality Control Handbook. New York: McGraw-Hill, 2000.
MLA aipamenaAlley, E. Roberts. Water Quality Control Handbook. McGraw-Hill, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.