Langenbach, Robert G.
Prentice-Hall, 1968
Buku Teks SO
Duncan, Otis Dudley
Academic Press, 1975
Buku Teks
Biggs, John M., 1920-
McGraw-Hill , 1964
Buku Teks
Sozen, Mete A.
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Craig, Roy R., 1934-
John Wiley & Sons, 1981
Buku Teks