APA (7th ed.) Zitazioa
McGhee, T. J., & Steel, E. W. (1991). Water supply and sewerage (6th ed.). McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
McGhee, Terence J., eta E. W. Steel. Water Supply and Sewerage. 6th ed. New York: McGraw-Hill, 1991.
MLA (9th ed.) Zitazioa
McGhee, Terence J., eta E. W. Steel. Water Supply and Sewerage. 6th ed. McGraw-Hill, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.