Water Environment Federation. Wastewater Collection Systems Management Task Force.
McGraw-Hill, 2010
Buku Teks
Metcalf & Eddy, inc ; edited by George Tchobanoglous
McGraw-HIll, 1981
Buku Teks
Crites, Ron
McGraw-Hill , 1998
Buku Teks
McGraw-Hill, 1981.
Buku Teks
Okun, D.A.
Geneva WHO 1975 ,
Buku Teks