Ginsberg, Jerry H., 1944-
John Wiley & Sons, 1977
Buku Teks SO
Meriam, James L.
John Wiley & Sons, 1975
Buku Teks SO
Dayaratnam, P.
Tata McGraw-Hill, 1979
Buku Teks SO
Cook, David I.
International Textbook, 1960
Buku Teks SO
Hibbeler, R.C.
Prentice-Hall, 1997
Buku Teks SO