Lenk, John D., author
Prentice-Hall, 1983
Buku Referensi
the Subcommitte in Operation of Wastewater Treatment Plants
Water Pollution Control Federation, 1976
Buku Referensi
Farnell, Warren M., author
Pearson-Prentice Hall, 2006
Buku Teks
Carey, James
Wiley Publishing, Inc., 2000
Buku Teks
edited by Jerry C. Whitaker
CRC Press, 2002
Buku Referensi