Elgerd, Olle I., author
Addison-Wesley, 1977
Buku Teks
Seidman, Arthur, author
McGraw-Hill, 1997
Buku Referensi
Schultze-Rhonhof, Kurt, author
Peru Monitor, 2003
Buku Teks
Wood, Allen J., author
Wiley-IEEE, 2014
Buku Teks
Wood, Allen J., author
John Wiley & Sons, 1984
Buku Teks