Ferrari, Domenico, author
Prentice-Hall, 1983
Buku Teks SO
Drummond, Mansford E., author
Prentice-Hall, 1973
Buku Teks
edited by Nicholas Benwell
Halsted Press, 1975
Buku Teks
Wellstead, P. E.
John Wiley & Sons, 1991
Buku Teks
Alciatore, David G., author
McGraw-Hill , 2003
Buku Teks