Choi, Frederick D.S., 1942-, author
Prentice-Hall, 2002
Buku Teks
Wormald, Avison, author
Pan Books, 1973
Buku Teks
Ramo, Simon
John Wiley & Sons, 1980
Buku Teks
Haley, George T.
Butterworth-Heinemann , 1999
Buku Teks
Rugman, Alan M., author
McGraw-Hill , 1985
Buku Teks