Beckmann, Poul
McGraw-Hill, 1995
Buku Teks
edited by Hugh Synge
John Wiley & Sons, 1981
Buku Teks
edited by Richard N. White, Charles G. Salmon
John Wiley & Sons, 1987
Buku Referensi
edited by Donald Watson
McGraw-Hill , 1979
Buku Teks
ASCE, 1997
Buku Teks