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
James K. Edzwald, editor
McGraw-Hill, 2011
Buku Teks
edited by Robert B. Williams, Gordon L. Culp
Van Nostrand Reinhold, 1986
Buku Referensi
Hartman, L. M.
John Hopkins Press, 1970
Buku Teks