Sen, S.K., author
Khanna Publishers, 1975
Buku Teks
Ifeachor, Emmanuel C., author
Prentice-Hall, 2002
Buku Teks
Candy, James V
McGraw-Hill, 1986
Buku Teks
Roberts, Richard A., 1935-, author
Addison-Wesley, 1987
Buku Teks
Proakis, John G., author
Prentice-Hall, 1996
Buku Teks