Phelps, E. B. (1913). THE CHEMICAL MEASURE OF STREAM POLLUTION AND SPECIFICATIONS FOR SEWAGE EFFLUENTS.
Chicago Style aipamenaPhelps, Earle B. THE CHEMICAL MEASURE OF STREAM POLLUTION AND SPECIFICATIONS FOR SEWAGE EFFLUENTS. 1913.
MLA aipamenaPhelps, Earle B. THE CHEMICAL MEASURE OF STREAM POLLUTION AND SPECIFICATIONS FOR SEWAGE EFFLUENTS. 1913.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.