Peebles, Peyton Z., author
McGraw-Hill, 1991
Buku Teks
Gilli, Angelo C., author
McGraw-Hill, 1978
Buku Teks
Toro, Vincent Del, author
Prentice-Hall, 1970
Buku Teks
Boylestad, Robert L., author
Prentice-Hall, 1983
Buku Teks
Schuler, Charles A., author
Glencoe, 1993
Buku Teks