Setubal, Joao
PWS Publishing Company, 1997
Buku Teks
Saxe, Stephen O.
Oak Kholl Books , 1992
Buku Teks
Morris, John O.
McGraw-Hill , 1980
Buku Teks
McAdams, Alan K., author
Macmillan, 1970
Buku Teks
Middleton, David, author
IEEE Press, 1996
Buku Teks