ASCE, 1997
Buku Teks
Johnson, Sidney M., author
McGraw-Hill, 1968
Buku Teks
Weiss, Joseph Douglas
Hopkinson and Blake, 1969
Buku Teks
Gehl, Jan, author
Van Nostrand Reindhold, 1987
Buku Teks
Spence, William P., author
John Wiley & Sons, 1993
Buku Teks