McWhorter, David B., author
Water Resources Publications , 2010
Buku Teks
Featherstone, R.E., author
Blackwell, c1995
Buku Teks
editor-in-chief, Calvin Victor Davis
McGraw-Hill, 1952
Buku Referensi
Sturm, Terry W., author
McGraw-Hill, 2010
Buku Teks
Sturm, Terry W., author
McGraw-Hill, 2001
Buku Teks