compiled by Michael and Irene Ash
Gower, 1996
Buku Referensi
A Halsted Press Book, 1979
Buku Referensi
James K. Edzwald, editor
McGraw-Hill, 2011
Buku Teks
American Water Works Association, Raymond D. Letterman, technical editor
McGraw-Hill, 1999
Buku Referensi
American Water Works Association, Raymond D. Letterman, technical editor
McGraw-Hill, 1999
Buku Referensi