Deem, Bill R.
Reston Publishing, 1980
Buku Teks
Maisel, Herbert, author
McGraw-Hill, 1969
Buku Teks
Davis, Gordon B., author
McGraw-Hill, 1977
Buku Teks
Mandell, Steven L., author
West Publishing, 1982
Buku Teks
Baer, Robert M.
Addison-Wesley, 1972
Buku Teks