Bowles, Joseph E.
McGraw-Hill, 1979
Buku Teks
Dunn, Irving S., 1923-
John Wiley & Sons, 1980
Buku Teks
Bowles, Joseph E.
McGraw-Hill, 1985
Buku Teks
Bowles, Joseph E.
McGraw-Hill , 1984
Buku Teks
edited by Waren K. Wray and Sandra L. Houston
ASCE, 1995
Buku Teks SO