edited by Byron D. Tapley
John Wiley & Sons, 1990
Buku Referensi
editor, Robert H. Perry
McGraw-Hill, 1976
Buku Referensi
Whitfield, John, author
EPA Press, 1995
Buku Referensi
American Society of Civil Engineers, 1987
Buku Referensi
Smeaton, Robert W.
McGraw-Hill, 1969
Buku Referensi