Cook, Nigel P., author
Prentice-Hall, 1998
Buku Teks
Cook, Nigel P., author
Prentice-Hall, 1993
Buku Teks
Bignell, James, author
McGraw-Hill, 1985
Buku Teks
Malvino, Albert Paul, author
McGraw-Hill, 1993
Buku Teks
Fortney, Llyod R., author
Harcord Brace Jovanovich, 1987
Buku Teks